The 11 Best Backpacking Gravity Water Filters (2023 reviews)

There are several advantages of having a best backpacking gravity water filter. Let’s take you step by step, type by type, and find the best best backpacking gravity water filter for you.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Sawyer Products Water source READ REVIEW

Best For car: Buy: Katadyn Micron Water Filter READ REVIEW

Best For backpack: Buy: Waterdrop Emergency Preparedness READ REVIEW

Best For An Emergency Replacement: Buy: Membrane Solutions Best Backpacking Gravity Water Filter READ REVIEW

Best For Other stationary Use: Buy: Sawyer Products Best Backpacking Gravity Water Filter READ REVIEW

Best For Backpacking groups: Buy: Platypus Best Backpacking Gravity Water Filter READ REVIEW

Best For Hydration bladder: Buy: Platypus Best Water Filter READ REVIEW

Best For international Travel: Buy: Waterdrop Best Backpacking Gravity Water Filter READ REVIEW

Best For Home: Buy: Shurex Best Backpacking Gravity Water Filter READ REVIEW

Best For Large group: Buy: Katadyn Best Backpacking Gravity Water Filter READ REVIEW

Best Survival Water Purification System: Buy: Sagan Life Best Backpacking Gravity Water Filter READ REVIEW

Best Overall: Sawyer Products Water source

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Here, we review filter that manages to win our hearts. It's the sawyer products water source and it's widely considered as one of best filter you can buy. Weighing just 3 ounces, the versatile, award-winning sawyer squeeze filter is incredibly simple to use and fits in the palm of your hand. Thicker fiber walls combined with a smaller inner diameter make sawyer fibers 75% stronger* than typical hollow fiber membranes, giving you a fast flow and enabling the filter to be continually backwashed forcefully to restore up to 98% of the original flow rate. The ability to put on 1 liter smartwater and lifewatr bottles is super nice.

It comes with a couple of 32 oz water bags, a syringe for backwash cleaning, a mesh bag, and tubing and attachments for gravity filtering. They don't take up a lot of space. The filter will fit on standard sized water bottles in addition to the provided 1l pouch and flow a lot of water.

• Convenient and easy to use verses other water filters
• Easy to fill the squeeze bags from a water source
• Very easy to clean and maintain
• Super convenient at a campsite or on a canoe

Best For car: Katadyn Micron Water Filter

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Best part: katadyn micron water filter costs comparatively low and it is available to ship in 24 hours. This is a natural evolution of backpack water filtration design. It will remove bacteria and protozoa including e coli, giardia, and cryptosporidium. The flow channels let water flow fast enough to keep up with you, leaving you fully hydrated.

This is perfect to bring on a backpacking trip to get water on the go without having to lug gallons of it up the mountain. It comes with a separate cap that seals the bottle without filter. The handle around the neck makes it easy to collect water and its quick filtering design makes filling many bottles a breeze. There are other systems from Platypus and others that have hoses that attach to bottles but that is just more weight and clutter to deal with.

• Great for section hiking, long hikes, camping, kayaking, surviving, ultralight
• Easy to use, light weight, fast flow rate, easy to clean
• Impressive flow rate, light, the water always tasted good, easy to fill

Best For backpack: Waterdrop Emergency Preparedness

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Compared with other filter in this category, the waterdrop emergency preparedness has a convenient design. This water filter works in a variety of ways, including as a straw or an inline filer with pump. The water tote it comes with can hold a whopping 3.5L of water and the filtration is relatively quick. The filter adopts a 0.1-micron hollow fiber membrane to reduce 99.99% of harmful substance in water. It improves odor and taste, ensures the water safety and delivers better drinking experience.

The waterdrop filter straw can provide safe drinking water up to 1, 400 gallons ( 5, 300 liters) and ensures the maximum water flow rate of up to 700 ml / min to provide more relaxed outdoor water drinking experience. It comes with a water bag which is a plus but can also attach to most plastic bottles. This product is an essential survival kit for emergency preperation. The bag is amazing just for collecting water and hanging the bag close to your site so you can fill the bag then drain into a cup or bowl and drink with the life straw.

• Easy to use and plenty of water comes out
• Small enough to carry around when hiking or really any occasion
• Excellent water filter for backcountry camping
• Easy to handle and great for packing and taking anywhere

Best For An Emergency Replacement: Membrane Solutions Best Backpacking Gravity Water Filter

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Membrane Solutions line of filter come in a pretty wide variety of styles, so you can definitely find one that suits your individual preferences and needs. Moisture is what makes water filters work, and without that, they're sitting pretty and ready for use at any time. This is a simple gravity system. The Backpacking water filter offers you clean drinking water anywhere, anytime. The charcoal filter is covered in sediment/algae and the other end is also. It works very well and looks like a very small package and easy to carry on long trips.

This is great for anyone that is going out for a day hike or a week long trip. It is great to stop the flow through the hose, and is easy to unlatch. The bag does not have a water tight seal on top.

• Light weight to hike in with
• Makes drinking water for campers and preppers
• Holds plenty of water taste great crystal clear

Best For Other stationary Use: Sawyer Products Best Backpacking Gravity Water Filter

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Next on the list, we've got yet another filter that manages to win our hearts. It's the sawyer products best backpacking gravity water filter and it's widely considered as filter that has the most suitable features. Fitting in the palm of your hand, the dual-threaded mini gives you several ways to access clean water. It includes a mini water filter, 1-gallon bladder, cleaning plunger, cleaning coupling, and gravity hose with adapters. Thicker fiber walls combined with a smaller inner diameter make sawyer fibers 75% stronger* than typical hollow fiber membranes, giving you a fast flow and enabling the filter to be continually backwashed forcefully to restore up to 98% of the original flow rate. It is handy to set up and have ready for quick sips and water bottle top offs.

It comes with a syringe you fill with clean water to clear the filter. It can also be attached onto most disposable water or soda bottles, or attach it inline to tubing between a hydration pack and bite valve. It is great for backpacking or camping with no running water.

• Very handy, super useful, easy to use and can be a lifesaver
• Takes up no room and a must when out and about in the mountains
• Excellent water filtering system that works

Best For Backpacking groups: Platypus Best Backpacking Gravity Water Filter

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We would, of course, be remiss if we didn't mention platypus best backpacking gravity water filter for regular usage. This product is a game changer out there when you are off the grid. It is compact, packing down to the size of a one-liter water bottle. It works well in remote locations where there are no wells or springs. There's no wide mouth, so you basically hang it to dry with some paper towels shoved inside.

It is ideal for group and family camping, outdoor adventures, and emergency preparedness. It does not require pumps, batteries, moving parts, or chemicals, ensuring access to clean water from contaminated sources, in situations ranging from adventure to survival. It is easy to use almost anywhere. This is a great product for backpacking in a group.

• Takes the worry out of long, deep off grid camping
• Includes 4-liter dirty water reservoir, 4-liter clean water reservoir
• Delivers what they promise

Best For Hydration bladder: Platypus Best Water Filter

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The GravityWorks filter is designed for backcountry backpacking use and can remove particles down to a size of 0.2 microns, which will filter out bacteria and protozoa. It's a great design, filters unbelievably fast, sets up easily, and just works. The Ultralight and compact system weighs as little as 6.6 oz (187 g) and stows smaller than most one liter bottles.

The flow will only work whilst the pressure is higher going in. There is a little more to the set up and maintenance, compared to the ol pump filters, but no more pumping. It takes multiple attempts to get the zip lock to secure. It is easy to keep clean through the backwashing system. The GravityWorks will not filter out viruses or chemical contamination.

• Easy refills without having to go back to stream and pump some more
• Easy to use, easy to put away, and takes up very little room
• Lightweight, easy to store in backpack
• Great water flow and easy to clean and put away

Best For international Travel: Waterdrop Best Backpacking Gravity Water Filter

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate filter. The waterdrop best backpacking gravity water filter is exactly that - it's a simple filter that hits all the right notes. The Waterdrop gravity water filter straw with 1.5 gal gravity-fed water bag is an exclusive water purification combination created for outdoor activities and first aid survival. It reduces 99.99% of harmful substances. It eliminates cumbersome fittings and saves space, and brings you pure water with the greatest convenience and comfort. It improves odor and taste, ensures the water safety and delivers better drinking experience.

The capacity water bag can hold up to 15 gallons of water at a time, which is about 11 bottles of 500 ml bottled purified water, and can meet all. It comes with innovative backwash purifier function, the inside of the water filter straw can be kept clean at all times and it is recyclable, safe and pollution-free. The waterdrop filter straw can provide safe drinking water up to 1, 400 gallons ( 5, 300 liters)/ one straw, and ensures the maximum water flow rate of up to 700 ml / min to provide more relaxed outdoor water drinking experience.

• 0.1 microns filter pore size, effectively reduces 99.99% of harmful substances
• Fulfill all your outdoor water demands
• Match with water bags or bottles for the ultimate drinking experience

Best For Home: Shurex Best Backpacking Gravity Water Filter

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The shurex best backpacking gravity water filter is satisfactory and appropriate and fits well with your daily usage. These bag systems are great when you need larger quantities of water. It is made of hollow fiber membrane filter pore size. It can filter 100, 000 gallons of water, and the bag and strap look commercial grade. It has added several types of material to ensure its longevity.

It comes with 1.5 gallons of large capacity, and the gravity-fed bag can meet a family's or a group's water needs during your outdoor activities. You can also use the tree strap which comes with the bag or a small piece of rope to secure it if the branches are too high. The top opening is meant to be closed dry-bag style so it is intuitive.

• Great product, sturdy material that holds up well to normal daily use
• Light weight and good for backpacking
• Must-have for emergencies and/or survival situations

Best For Large group: Katadyn Best Backpacking Gravity Water Filter

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The katadyn best backpacking gravity water filter is satisfactory and appropriate and fits well with your daily usage. Filters water so quickly and is fantastic for larger group hikes. It is made for the Katadyn filter that comes with it. It removes harmful organisms like bacteria and protozoa like giardia & cryptosporidium. The flow channels let water flow fast enough to keep up with you, leaving you fully hydrated. It provides higher quality or longer lasting performance.

It is simple and easy to clean by simply shaking or swishing the filter to clean debris, no backflushing or extra tools required. The practical carrying strap allows you to haul a full filter back to camp effortlessly, where it can be hung in a nearby tree.

• Including traveling, camping, backpacking, sailing, paddling, fishing, and biking
• Clean membrane quickly and easily for longer life and more enjoyment
• Large gravity bag for family or group camping

Best Survival Water Purification System: Sagan Life Best Backpacking Gravity Water Filter

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate filter. The sagan life best backpacking gravity water filter is exactly that - it's a simple filter that hits all the right notes. The INLINE is easy to use and since it's basically a Journey Filter designed a little differently, to fit a hydration pack. It works with any bladder hydration pack which has a tube. It uses the effective journey purification filter. The Filter has been tested and proven to remove 99.9999% Bacteria, 99.99% of Parasites and Protozoa, such as Cryptosporidium and Giardia and 99.99% of Viruses. It is ideal for global traveling, outdoor adventures, emergency preparedness, hiking, backpacking, mountain biking, camping, fishing, and is the best survival water purifier due to its effectiveness.

The product includes two (2) 1/4 inch quick connect pieces to plug into your hydration bladder’s tube.

• Makes any non-salt water source safe, drinkable water
• Include in disaster kits and bug out bags
• Removes 99.9999% of all salmonella, cholera, and e.coli
• Best portable water filter for hiking and ultralight backpacking water filter