The 9 Best Gravity fed Water Filters For backpack (2023 reviews)

The sawyer products water source's material feels more premium than its price would suggest. Weighing just 3 ounces, the versatile, award-winning sawyer squeeze filter is incredibly simple to use and fits in the palm of your hand. It is great for travel, you can hook it up to a hose bib and flow a lot of water. These filters must be kept from freezing because ice crystals growing within the fibers can compromise it. The bags that come with it are very useful and fairly easy to fill up.

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. It is small and light weight enough for backpacking and the different attachments are a nice plus depending on how you plan to use it. This is a must have for water purfication system and is so easy to use, and also easy to travel with.

Why We Like This:

Super easy to use and bottle up water for later filtration
Perfect for backpackers, hikers, ot any outdoorsman
Very easy to clean and maintain
Convenient and easy to use verses other water filters

Best For Any bug Out Bag: Sawyer Products Gravity fed Water Filter For backpack

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Compared with other filter in this category, the sawyer products gravity fed water filter for backpack has a convenient design. It is perfect for everything from camping with the kids to traveling abroad where tap and bottled water cannot be trusted. It comes with a straw to attach to the filter, cleaning syringe, and a pouch with cleaning directions. This filter can filter out bacteria, protozones, and sediment. It has rubber gaskets so it doesn't leak when screwed on the pouch or a bottle. It will make puddle water drinkable so your tarp water will be premium. Attaches to the included drinking pouch, standard disposable water bottles, hydration packs, or use the straw to drink directly from your water source. There are directions for cleaning and maintaining the straws and bags for water storage that are incredibly light.

Why We Like This:

Very light, easy to use, works well as an inline filter
Light and comfortable in warmer climates
New and hot release

Best For Any Family Emergency Preparedness Kit: Platypus Clean Water Bag

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Platypus offers a variety of filter for personal choice and yet maintaining quality in all the variants. The water is the color of tea from flowing through the alpine bogs, and lots of pine forest. It keeps you safe, easy to use, and filters fairly quickly with no manual effort. It makes it easier to replace or flush. The filter is good for 100's of gallons so you don't need to worry about running out of safe water as long as you have a water source.

It is very easy to use, and all the attachments for water bottles/bags/etc are very handy. The water is drinkable after filtering, no boiling required. This is great even for just solo camping.

Why We Like This:

Excellent solution to filtering while hiking
Maximize your taste-free water experience with the gravityworks carbon element
New and hot release

Best For backpack: Waterdrop Emergency Preparedness

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Waterdrop has been making great filter for years, thanks to a combination of clever design and appropriate materials. This product is an essential survival kit for emergency preperation. It comes with a water bag which is a plus but can also attach to most plastic bottles. The system is easy to use and produces great tasting and safe water for drinking and cooking on the trail. The straw works well and the squeeze bags are the absolute way to go for a river based trip with consistent easy access to water.

This water filter works in a variety of ways, including as a straw or an inline filer with pump. It comes very quickly and has everything included. 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 straw.

Why We Like This:

Good gift for the outdoorsman and survivalists
Highly recommended for any clean, good tasting water needs
Small enough to carry around when hiking or really any occasion
Easy clean up and super light

Best For An Emergency Replacement: Membrane Solutions Gravity fed Water Filter For backpack

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The nice thing about the Membrane Solutions filter is that the filter itself is a "straw" style filter that you can use directly to your mouth. It contains a variety of filters that will remove nearly 100% of contaminants including bacteria, heavy metal, chlorine, and so on. The material does have some weight and stiffness to it, which helps. This is a great gravity bag for filtering water while camping and backpacking.

The 6L bag is a great large size for minimal trips to fill up. It can fill a large water bottle fairly quick. It is good for a group of you're not alone. This is great for anyone that is going out for a day hike or a week long trip.

Why We Like This:

Priced well and it is made from a durable material
Makes good addition to camping gear, hiking gear, car kit, home emergency kit, etc
Easy to take apart and clean
Heavy duty bag and the filter can be disassembled for cleaning

Best For larger groups: Lifestraw Great Product

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We would, of course, be remiss if we didn't mention lifestraw great product for regular usage. It is great way to make your water safe in camp. It removes particles from the water with salt water and the salt is absorb into the water at the molecular level. The.02 micron pore size will stop all bacteria, and many kinds of viruses. There is a nylon storage bag inside the big blue bag along with four extra pre-filters and a carrying/hanging strap. The bladder can be cleaned with water and a mild detergent. The hose is included that could easily allow for this dirty water to be easily directed away from the clean water supply.

The device is lightweight, easy to use, and requires no chemicals. It is perfectly clear and drinkable. This system is perfect for multi-day trips.

Why We Like This:

Easy to use, great for larger amounts of water
Excellent for emergencies or back country hiking
You can use with tap water and it works as good as boiling

Best For larger group Of hikers: Lifestraw Gravity fed Water Filter For backpack

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Lifestraw is known for creating pragmatic and minimalist filter for people on the go, and its line of lifestraw gravity fed water filter for backpack definitely falls in line with that reputation. It is a great high volume water filtration kit. It is made of durable, tpu laminated nylon. It features a carrying strap and includes a sack for storage and portability. It is good for filtering 4500+ gallons of water. It is quite good for a larger group of hikers.

The flow rate of 2.5-3.2 gallons per hour is fairly accurate. It is good for safe drinking water at a remote cabin. This product is an essential for disaster preparation kits and would be an excellent tool for those who are back-country hiking and camping, or for anyone traveling in any areas where drinkable water is difficult to find.

Why We Like This:

Makes for a perfect camping companion or addition to an emergency prep bag
Removes virtually all bacteria (99.9999%), protozoa (99.99%), and viruses (99.999%) that can contaminate water
Simple to use and maintain, without chemicals, batteries, or moving parts
Attaches to the roll bag for carrying the heavy 'filled' bag

Best For Backpacking groups: Platypus Gravity fed Water Filter For backpack

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The platypus gravity fed water filter for backpack should be able to handle its purpose and duties with ease. This product is a game changer out there when you are off the grid. The High-capacity, gravity-fed, hollow-fiber water filter system is ideal for group and family camping, outdoor adventures, and emergency preparedness. It includes reservoirs with a 6.0 liter capacity each, and the 4.0 liter configuration weighs 11.5 ounces and includes reservoirs with a 4.0 liter capacity each. It's hard to seal and requires a lot of hand/eye coordination, strength, and finger dexterity to seal the bag especially in the cold.

The system is designed to remove enough bacteria and other potential pathogens in order to make it safe to drink. It is good for a week-long trip. 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.

Why We Like This:

Includes 4-liter dirty water reservoir, 4-liter clean water reservoir
Small carrying footprint and a lot of fresh water created
Takes the worry out of long, deep off grid camping

Best For international Travel: Waterdrop Gravity fed Water Filter For backpack

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Waterdrop makes beautiful and great filter with classic and smartly choosen materials. 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 improves odor and taste, ensures the water safety and delivers better drinking experience. 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 water is clear and tastes good, lightweight and easy to use. The pinch valve to stop the flow of water is very simple and effective. It reduces 99.99% of harmful substances. It is amazing to see the sediment that didn't make it to the filter from the prescreen before the drain tube. This will work on bacteria.

Why We Like This: