Water

Stainless steel, insulated, refillable, reusable —our all-day 32 oz wide-mouth water bottle is the flask to grab to keep cold drinks cold and hot ones hot. The large opening makes it easy to add ice —and get yourself a bigger gulp. Fill up for adventure. TempShield®? double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Flex Cap is leakproof when closed Honeycomb™? Insulated Cap for maximum temperature retention Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Color Last™ powder coat is durable, sweat-free and colorful Wide Mouth opening is ice-cube friendly Bottle fits most backcountry water filters BPA-Free Dishwasher safe Not for use on a stove, in a microwave or freezer

Stainless steel, insulated, refillable, reusable —our all-day 32 oz wide-mouth water bottle is the flask to grab to keep cold drinks cold and hot ones hot. The large opening makes it easy to add ice —and get yourself a bigger gulp. Fill up for adventure. TempShield®? double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Flex Cap is leakproof when closed Honeycomb™? Insulated Cap for maximum temperature retention Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Color Last™ powder coat is durable, sweat-free and colorful Wide Mouth opening is ice-cube friendly Bottle fits most backcountry water filters BPA-Free Dishwasher safe Not for use on a stove, in a microwave or freezeralways.

Stainless steel, insulated, refillable, reusable —our all-day 32 oz wide-mouth water bottle is the flask to grab to keep cold drinks cold and hot ones hot. The large opening makes it easy to add ice —and get yourself a bigger gulp. Fill up for adventure. TempShield®? double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Flex Cap is leakproof when closed Honeycomb™? Insulated Cap for maximum temperature retention Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Color Last™ powder coat is durable, sweat-free and colorful Wide Mouth opening is ice-cube friendly Bottle fits most backcountry water filters BPA-Free Dishwasher safe Not for use on a stove, in a microwave or freezer

Less Weight. More Miles. Durable, yet 25% lighter than our other 32 oz bottles, this lightweight stainless steel insulated water bottle is made for hiking and backpacking. The wide opening lets you add ice, and the 32 oz volume holds hours of hydration. Lightweight hydration to keep you going 25 percent lighter than our other 32 oz Wide Mouth bottles TempShield®? double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Flexible perforated strap and aluminum pivots to minimize weight Leakproof when closed Bottle fits most backcountry water filters BPA-Freeu.

Less Weight. More Miles. Durable, yet 25% lighter than our other 32 oz bottles, this lightweight stainless steel insulated water bottle is made for hiking and backpacking. The wide opening lets you add ice, and the 32 oz volume holds hours of hydration. Lightweight hydration to keep you going 25 percent lighter than our other 32 oz Wide Mouth bottles TempShield®? double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Flexible perforated strap and aluminum pivots to minimize weight Leakproof when closed Bottle fits most backcountry water filters BPA-Freeu.

Designed with hot drinks in mind, Hydro Flask's 16 oz Wide Mouth bottle with Flex Sip Lid™ is cup holder compatible and leakproof. This insulated, stainless steel bottle is ideal for coffee, tea or your favorite beverage, while keeping hot drinks hot and cold drinks cold. TempShield®? double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Flex Sip™ Lid is leakproof when closed and designed for transporting hot beverages Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Wide Mouth opening is ice-cube friendly Color Last™ powder coat is durable, sweat-free and colorful Bottle fits most backcountry water filters BPA-Free Dishwasher safe Not for use on a stove, in a microwave or freezer

Designed with hot drinks in mind, our 16 oz Wide Mouth bottle with Flex Sip Lid™ is cup holder compatible and leakproof. This insulated, stainless steel bottle is ideal for coffee, tea or your favorite beverage, while keeping hot drinks hot and cold drinks cold. TempShield®? double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Flex Sip™ Lid is leakproof when closed and designed for transporting hot beverages Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Wide Mouth opening is ice-cube friendly Color Last™ powder coat is durable, sweat-free and colorful Bottle fits most backcountry water filters BPA-Free Dishwasher safe Not for use on a stove, in a microwave or freezer

Designed with hot drinks in mind, our 16 oz Wide Mouth bottle with Flex Sip Lid™ is cup holder compatible and leakproof. This insulated, stainless steel bottle is ideal for coffee, tea or your favorite beverage, while keeping hot drinks hot and cold drinks cold. TempShield®? double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Flex Sip™ Lid is leakproof when closed and designed for transporting hot beverages Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Wide Mouth opening is ice-cube friendly Color Last™ powder coat is durable, sweat-free and colorful Bottle fits most backcountry water filters BPA-Free Dishwasher safe Not for use on a stove, in a microwave or freezer

Designed with hot drinks in mind, our 16 oz Wide Mouth bottle with Flex Sip Lid™ is cup holder compatible and leakproof. This insulated, stainless steel bottle is ideal for coffee, tea or your favorite beverage, while keeping hot drinks hot and cold drinks cold. TempShield®? double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Flex Sip™ Lid is leakproof when closed and designed for transporting hot beverages Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Wide Mouth opening is ice-cube friendly Color Last™ powder coat is durable, sweat-free and colorful Bottle fits most backcountry water filters BPA-Free Dishwasher safe Not for use on a stove, in a microwave or freezer

Designed with hot drinks in mind, our 16 oz Wide Mouth bottle with Flex Sip Lid™ is cup holder compatible and leakproof. This insulated, stainless steel bottle is ideal for coffee, tea or your favorite beverage, while keeping hot drinks hot and cold drinks cold. TempShield®? double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Flex Sip™ Lid is leakproof when closed and designed for transporting hot beverages Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Wide Mouth opening is ice-cube friendly Color Last™ powder coat is durable, sweat-free and colorful Bottle fits most backcountry water filters BPA-Free Dishwasher safe Not for use on a stove, in a microwave or freezer

Designed with hot drinks in mind, our 16 oz Wide Mouth bottle with Flex Sip Lid™ is cup holder compatible and leakproof. This insulated, stainless steel bottle is ideal for coffee, tea or your favorite beverage, while keeping hot drinks hot and cold drinks cold. TempShield®? double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Flex Sip™ Lid is leakproof when closed and designed for transporting hot beverages Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Wide Mouth opening is ice-cube friendly Color Last™ powder coat is durable, sweat-free and colorful Bottle fits most backcountry water filters BPA-Free Dishwasher safe Not for use on a stove, in a microwave or freezer

Hydration on the go. Stainless steel, cup holder compatible, fits right in your pack—our reusable, refillable 21 oz Standard Mouth insulated water bottle keeps cold drinks cold for 24 hours, hot drinks hot for up to 12 hours, and holds enough hydration for hours of fun. TempShield®? double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Flex Cap is leakproof when closed Honeycomb™? Insulated Cap for maximum temperature retention Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Color Last™ powder coat is durable, sweat-free and colorful BPA-Free Dishwasher safe Not for use on a stove, in a microwave or freezer

Hydration on the go. Stainless steel, cup holder compatible, fits right in your pack—our reusable, refillable 21 oz Standard Mouth insulated water bottle keeps cold drinks cold for 24 hours, hot drinks hot for up to 12 hours, and holds enough hydration for hours of fun. TempShield®? double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 Flex Cap is leakproof when closed Honeycomb™? Insulated Cap for maximum temperature retention Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer Color Last™ powder coat is durable, sweat-free and colorful BPA-Free Dishwasher safe Not for use on a stove, in a microwave or freezer

Hydration on the go. Stainless steel, cup holder compatible, fits right in your pack—our reusable, refillable 21 oz Standard Mouth insulated water bottle keeps cold drinks cold for 24 hours, hot drinks hot for up to 12 hours, and holds enough hydration for hours of fun. - TempShield®? double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 - Flex Cap is leakproof when closed - Honeycomb™? Insulated Cap for maximum temperature retention - Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer - Color Last™ powder coat is durable, sweat-free and colorful - BPA-Free - Dishwasher safe - Not for use on a stove, in a microwave or freezer

Hydration on the go. Stainless steel, cup holder compatible, fits right in your pack—our reusable, refillable 21 oz Standard Mouth insulated water bottle keeps cold drinks cold for 24 hours, hot drinks hot for up to 12 hours, and holds enough hydration for hours of fun. - TempShield®? double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 - Flex Cap is leakproof when closed - Honeycomb™? Insulated Cap for maximum temperature retention - Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer - Color Last™ powder coat is durable, sweat-free and colorful - BPA-Free - Dishwasher safe - Not for use on a stove, in a microwave or freezer

Hydration on the go. Stainless steel, cup holder compatible, fits right in your pack—our reusable, refillable 21 oz Standard Mouth insulated water bottle keeps cold drinks cold for 24 hours, hot drinks hot for up to 12 hours, and holds enough hydration for hours of fun. - TempShield®? double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 - Flex Cap is leakproof when closed - Honeycomb™? Insulated Cap for maximum temperature retention - Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer - Color Last™ powder coat is durable, sweat-free and colorful - BPA-Free - Dishwasher safe - Not for use on a stove, in a microwave or freezer

Hydration on the go. Stainless steel, cup holder compatible, fits right in your pack—our reusable, refillable 21 oz Standard Mouth insulated water bottle keeps cold drinks cold for 24 hours, hot drinks hot for up to 12 hours, and holds enough hydration for hours of fun. - TempShield®? double-wall vacuum insulation keeps drinks cold up to 24 hours, hot up to 12 - Flex Cap is leakproof when closed - Honeycomb™? Insulated Cap for maximum temperature retention - Made with 18/8 pro-grade stainless steel for durability, pure taste and no flavor transfer - Color Last™ powder coat is durable, sweat-free and colorful - BPA-Free - Dishwasher safe - Not for use on a stove, in a microwave or freezer

Hello, one-handed hydration. Outdoor ready, cup holder compatible, insulated, reusable—Hydro Flask's 21 oz stainless steel insulated water bottle has the good stuff plus our leakproof Flex Straw Cap. Cold drinks stay cold for 24 hours, hot drinks hot for 12, and the built-in straw makes sipping easy.

Hello, one-handed hydration. Outdoor ready, cup holder compatible, insulated, reusable—Hydro Flask's 21 oz stainless steel insulated water bottle has the good stuff plus our leakproof Flex Straw Cap. Cold drinks stay cold for 24 hours, hot drinks hot for 12, and the built-in straw makes sipping easy.

Make the perfect smoothie, protein shake or dietary supplement. The isothermal mixing bottle features an ergonomic design and a leak-proof reducer cap with flip-top lid. An internal mixing ball ensures a perfect blend every time, and insulation helps keep contents cold for up to 24 hours.

Make the perfect smoothie, protein shake or dietary supplement. The isothermal mixing bottle features an ergonomic design and a leak-proof reducer cap with flip-top lid. An internal mixing ball ensures a perfect blend every time, and insulation helps keep contents cold for up to 24 hours.

Make the perfect smoothie, protein shake or dietary supplement. The isothermal mixing bottle features an ergonomic design and a leak-proof reducer cap with flip-top lid. An internal mixing ball ensures a perfect blend every time, and insulation helps keep contents cold for up to 24 hours.

Hydration handled. The new Travel Tumbler is here to hydrate more and refill less. A very comfortable, extremely durable handle takes it to the next level, and the large size can go anywhere, even fitting most cupholders. TempShield® double-wall insulation ensures cold stays cold, and the flexible straw is easy to sip any which way.

Hydration handled. The new Travel Tumbler is here to hydrate more and refill less. A very comfortable, extremely durable handle takes it to the next level, and the large size can go anywhere, even fitting most cupholders. TempShield® double-wall insulation ensures cold stays cold, and the flexible straw is easy to sip any which way.

Hydration handled. The new Travel Tumbler is here to hydrate more and refill less. A very comfortable, extremely durable handle takes it to the next level, and the large size can go anywhere, even fitting most cupholders. TempShield® double-wall insulation ensures cold stays cold, and the flexible straw is easy to sip any which way.

Hydration handled. The new Travel Tumbler is here to hydrate more and refill less. A very comfortable, extremely durable handle takes it to the next level, and the large size can go anywhere, even fitting most cupholders. TempShield® double-wall insulation ensures cold stays cold, and the flexible straw is easy to sip any which way.

Hydration handled. The new Travel Tumbler is here to hydrate more and refill less. A very comfortable, extremely durable handle takes it to the next level, and the large size can go anywhere, even fitting most cupholders. TempShield® double-wall insulation ensures cold stays cold, and the flexible straw is easy to sip any which way.

Hello, one-handed hydration. Outdoor ready, cup holder compatible, insulated, reusable—Hydro Flask's 21 oz stainless steel insulated water bottle has the good stuff plus our leakproof Flex Straw Cap. Cold drinks stay cold for 24 hours, hot drinks hot for 12, and the built-in straw makes sipping easy.

Hello, one-handed hydration. A 24 oz Wide Mouth water bottle with our leakproof Flex Straw Cap—easy to fill, easy to drink. Open it up, add your ice, and flip to sip. The insulated stainless steel keeps it cold for up to 24 hours.

Hello, one-handed hydration. A 24 oz Wide Mouth water bottle with our leakproof Flex Straw Cap—easy to fill, easy to drink. Open it up, add your ice, and flip to sip. The insulated stainless steel keeps it cold for up to 24 hours.

Hello, one-handed hydration A 24 oz Wide Mouth water bottle with our leakproof Flex Straw Cap—easy to fill, easy to drink. Open it up, add your ice, and flip to sip. The insulated stainless steel keeps it cold for up to 24 hours.

Hello, one-handed hydration A 24 oz Wide Mouth water bottle with our leakproof Flex Straw Cap—easy to fill, easy to drink. Open it up, add your ice, and flip to sip. The insulated stainless steel keeps it cold for up to 24 hours.

Hello, one-handed hydration A 24 oz Wide Mouth water bottle with our leakproof Flex Straw Cap—easy to fill, easy to drink. Open it up, add your ice, and flip to sip. The insulated stainless steel keeps it cold for up to 24 hours.

Hello, one-handed hydration A 24 oz Wide Mouth water bottle with our leakproof Flex Straw Cap—easy to fill, easy to drink. Open it up, add your ice, and flip to sip. The insulated stainless steel keeps it cold for up to 24 hours.

Hello, one-handed hydration. A 24 oz Wide Mouth water bottle with our leakproof Flex Straw Cap—easy to fill, easy to drink. Open it up, add your ice, and flip to sip. The insulated stainless steel keeps it cold for up to 24 hours.

Stainless steel, insulated, refillable, reusable —our all-day 32 oz wide-mouth water bottle is the flask to grab to keep cold drinks cold and hot ones hot. The large opening makes it easy to add ice —and get yourself a bigger gulp. Fill up for adventure.

Stainless steel, insulated, refillable, reusable —our all-day 32 oz wide-mouth water bottle is the flask to grab to keep cold drinks cold and hot ones hot. The large opening makes it easy to add ice —and get yourself a bigger gulp. Fill up for adventure.

Stainless steel, insulated, refillable, reusable —our all-day 32 oz wide-mouth water bottle is the flask to grab to keep cold drinks cold and hot ones hot. The large opening makes it easy to add ice —and get yourself a bigger gulp. Fill up for adventure.

Stainless steel, insulated, refillable, reusable —our all-day 32 oz wide-mouth water bottle is the flask to grab to keep cold drinks cold and hot ones hot. The large opening makes it easy to add ice —and get yourself a bigger gulp. Fill up for adventure.

Stainless steel, insulated, refillable, reusable —our all-day 32 oz wide-mouth water bottle is the flask to grab to keep cold drinks cold and hot ones hot. The large opening makes it easy to add ice —and get yourself a bigger gulp. Fill up for adventure.

Stainless steel, insulated, refillable, reusable —our all-day 32 oz wide-mouth water bottle is the flask to grab to keep cold drinks cold and hot ones hot. The large opening makes it easy to add ice —and get yourself a bigger gulp. Fill up for adventure.

Hydration handled. The new Travel Tumbler is here to hydrate more and refill less. A very comfortable, extremely durable handle takes it to the next level, and the large size can go anywhere, even fitting most cupholders. TempShield® double-wall insulation ensures cold stays cold, and the flexible straw is easy to sip any which way.

Hydration handled. The new Travel Tumbler is here to hydrate more and refill less. A very comfortable, extremely durable handle takes it to the next level, and the large size can go anywhere, even fitting most cupholders. TempShield® double-wall insulation ensures cold stays cold, and the flexible straw is easy to sip any which way.

Hydration handled. The new Travel Tumbler is here to hydrate more and refill less. A very comfortable, extremely durable handle takes it to the next level, and the large size can go anywhere, even fitting most cupholders. TempShield® double-wall insulation ensures cold stays cold, and the flexible straw is easy to sip any which way.

Hydration handled. The new Travel Tumbler is here to hydrate more and refill less. A very comfortable, extremely durable handle takes it to the next level, and the large size can go anywhere, even fitting most cupholders. TempShield® double-wall insulation ensures cold stays cold, and the flexible straw is easy to sip any which way.

Hydration handled. The new Travel Tumbler is here to hydrate more and refill less. A very comfortable, extremely durable handle takes it to the next level, and the large size can go anywhere, even fitting most cupholders. TempShield® double-wall insulation ensures cold stays cold, and the flexible straw is easy to sip any which way.

Hello, one-handed hydration A 32 oz Wide Mouth water bottle with our leakproof Flex Straw Cap—easy to fill, easy to drink. Open it up, add your ice, and flip to sip. The insulated stainless steel keeps it cold for up to 24 hours.

Hello, one-handed hydration A 32 oz Wide Mouth water bottle with our leakproof Flex Straw Cap—easy to fill, easy to drink. Open it up, add your ice, and flip to sip. The insulated stainless steel keeps it cold for up to 24 hours.

Hello, one-handed hydration A 32 oz Wide Mouth water bottle with our leakproof Flex Straw Cap—easy to fill, easy to drink. Open it up, add your ice, and flip to sip. The insulated stainless steel keeps it cold for up to 24 hours.

Drink in adventure. Stainless steel, insulated, reusable—our 64 oz wide-mouth bottle is the flask to grab to keeps a whopping half-gallon of cold drinks cold and hot ones hot. The opening makes it easy to add ice—and get a bigger gulp. Fill it up for big adventure.

EZ-Clean Membrane™ Replacement Filter Cartridge for Katadyn BeFree Water Filtration System 0.6L. SPECIFICATIONS Output (gal) 2 quart/min Technology Hollow fiber filter 0.1 micron

With the BeFree™ Filter, you no longer have to worry about where your next drink will come from. Just fill up the flask and let the EZ-Clean Membrane™ do the work. Gently squeeze the flask for instant refreshment. Maintain the EZ-Clean Membrane™ quickly and easily for longer life and more enjoyment. Simply fill the flask with water, attach the cover and shake free the debris. Or, remove the filter from the flask and swish in any lake, river or stream. And when you’re ready to “hit the road,” the collapsible flask packs small to fit into tight spaces. Just Smash, Stash and Go! Worry less, Discover more, BeFree.

Winner of Backpacker Editors' Choice Award, Runner’s World Gear of the Year Award, and ISPO Gold Awards! The lightweight and compact Katadyn BeFree water bottle and filter gives you the freedom to drink anytime, anywhere. With the BeFree™ Filter, you no longer have to worry about where your next drink will come from. Just fill up the flask and let the EZ-Clean Membrane™ do the work. Gently squeeze the flask for instant refreshment. Maintain the EZ-Clean Membrane™ quickly and easily for longer life and more enjoyment. Simply fill the flask with water, attach the cover and shake free the debris. Or, remove the filter from the flask and swish in any lake, river or stream. And when you’re ready to “hit the road,” the collapsible flask packs small to fit into tight spaces. Just Smash, Stash and Go! Worry less, Discover more, BeFree. *Effective against microorganisms *For solo use *Suitable for cloudy water *Suitable for clear water only *For more frequent use *For daily or very frequent use *For travels by motorhome or car *Lightweight and portable for on-the-go adventures *Lightweight and portable for on-the-go adventures *Stationary use *For travels by boat

Ultralight titanium durability. The Titan cup is built to nest inside the Titan Kettle to create a deluxe solo set. (Pocket Rocket stove in turn is able to fit inside the Titanium cup) Streamlined design features a folding wire handle so it’s easy to carry and pack. Weight: 54g / 1.9oz Volume: 400ml / 13.5 fl oz

Adding minimal gear to your pack, the Thru-Link inline filter is the simplest solution to clean water on the go. Just click it into your hydration reservoir and you’re ready to filter as you drink and hike. Engineered for high-flow drinking, it makes it easy to stay hydrated on long day hikes and fast-paced missions. The filter is compatible with any reservoir system, and uses both hollow fiber technology and activated carbon to provide reliable, safe and taste-free water. At camp, the Thru-Link lets you use your reservoir as a gravity system for the luxury of pump-free filtration.

Replacement ceramic filter element for both MiniWorks and WaterWorks microfilters provides increased flow rates for older models.

The smartest solution to clean water on fast-paced adventures. Clean water all day—without the weight. That’s the advantage the TrailShot Microfilter provides. Designed to hide in stash pockets and deploy quickly, this tiny water filter lets you drink directly from sources along the trail for instant hydration, and fill your vessels with clean water. Easy one-handed operation filters one liter in a mere 60 seconds, so you can get back on the trail quickly and moving again. At just 142 g (5 oz.), the TrailShot water filter is the ultimate filter for fast-paced, high-mileage adventurers, like trail runners, hikers, fast-packers and mountain bikers.

Replacement filter cartridge for the AutoFlow XL Gravity Filter system. Restore flow rates in your AutoFlow Gravity Filter by replacing a tired, worn cartridge with fresh, new Hollow Fiber media.

The MiniWorks EX microfilter is the worldwide best-selling microfilter, delivering long-lasting, field-maintainable water filtration in demanding environments. Engineered for frequent and heavy use, it utilizes MSR's workhorse Marathon™ EX carbon/ceramic element to ensure clean, reliable and taste-free water. Thanks to its innovative AirSpring Accumulator™, it’s capable of pumping one liter per minute and the flow rate can be renewed easily and repeatedly in the field—no tools required. It’s lightweight and compact and, most importantly, been proven reliable by thousands of adventurers just like you.

This extra-large AutoFlow gravity filter system delivers 10 liters of clean water fast—all while you set up camp, prep dinner or relax. And its big capacity means fewer trips to the river to haul the water you need. Similar in packable size to a 4L system, the AutoFlow XL system's durable flat base doubles the water volume for only 340 g (12 oz) of total weight. Ultralight and supremely packable, it offers the luxury of pump-free group filtration for basecamps, scout troops, horsepackers and other backcountry groups. And just one 10-liter fill of the reservoir can supply 1-2 people with a whole day’s worth of clean water.