The 8 Best Gravity Water Filtration systems For backpack (2023 reviews)

The platypus gravity water filtration system for backpack should be able to handle its purpose and duties with ease. This device filters stream water in a very fast and easy way. It is great to filter water for a small group and is extremely easy to use. The water is the color of tea from flowing through the alpine bogs, and lots of pine forest. The squeeze types are very light and they are a lot of work to filter water for more than one person. 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. This product is fast and the water taste excellent and it’s perfectly clear. It is great for 95% of the backcountry water sources you'll ever encounter.

Why We Like This:

Works great and takes the worry of safe water away
Lightweight and so nice to have 8 litres of water available at camp
Makes a lot of bacteria-free water, quickly, from pools and running water
Super easy to use and no yucky taste to the water after using

Best With Gravity Bag: Sawyer Products Water source

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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 system. The sawyer products water source is exactly that - it's a simple system that hits all the right notes. 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. These filters must be kept from freezing because ice crystals growing within the fibers can compromise it.

The filter will fit on standard sized water bottles in addition to the provided 1l pouch. It comes with a cap and can be used to transport water.

Whether hiking, camping, hunting, fishing, or traveling abroad, the sawyer squeeze water filtration system will ensure you have access to clean water in the backcountry or anywhere in the world.

Why We Like This:

Easy to use, light weight, more option for extended hikes
Works great as a gravity or inline filter
Perfect for backpackers, hikers, ot any outdoorsman
Super easy to use and bottle up water for later filtration

Best For Any bug Out Bag: Sawyer Products Gravity Water Filtration System For backpack

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The sawyer products gravity water filtration system for backpack is capable of outshining several other system featured in this list in overall features for the price point. This filter can filter out bacteria, protozones, and sediment. It comes with a straw to attach to the filter, cleaning syringe, and a pouch with cleaning directions. Attaches to the included drinking pouch, standard disposable water bottles, hydration packs, or use the straw to drink directly from your water source. It has rubber gaskets so it doesn't leak when screwed on the pouch or a bottle. The filtered water can be boiled as a safety measure if you have to use pond or lake water.

It is ideal for ultralight backpacking and camping, as well as emergency preparedness. The mini also comes with a straw that enables you to drink filtered water directly from a water source. These are so useful for day hikes and just to have on hand.

Why We Like This:

Great for camping and wilderness trail walking
Very light, easy to use, works well as an inline filter
Great for a bug out bag or deep camping kit
Nice light weight and compact, with good output volume

Best For car: Katadyn Gravity Water Filtration System For backpack

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The katadyn gravity water filtration system for backpack's high-end materials makes sure that it ages well with use. This water system is really easy to use and very portable. It scoops up water fast, you can easily drink it straight from the filter or squeeze it into a water bladder or bottle. It does not come with a separate cap that seals the bottle without filter. It is super simple, doesn't require pumping etc, and most importantly is easy to use with just one person.

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. It has a standard screw type end which attaches to the clean drink nozzle. The handle around the neck makes it easy to collect water and its quick filtering design makes filling many bottles a breeze. 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.

Why We Like This:

Easy to use, light weight, fast flow rate, easy to clean
Great lightweight filter that takes no space in your pack
Good investment for long term

Best For backpack: Katadyn Filter Cartridge

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The katadyn filter cartridge should be able to handle its purpose and duties with ease. A quick stop at a river or stream with the easy pump-action lets you continue on your trek with clear drinking water. The Katadyn Hiker Pro will remove protozoa and bacteria, as well as sediment, from your source water down to.2 microns. It can be used on the suction side.

This baby is so light and works wonderfully and with ease with its hookups. Ceramic filters remove smaller particles. It is easy to set up and pack up when you're done, lightweight and carries nicely in the pack. It will not kill viruses, filter clogs pretty quick, and brackish taste from some source comes through.

Why We Like This:

Easy to use and water has good flavor
Works great and is very light weight
Great water filter for hiking and biking

Best For An Emergency Replacement: Membrane Solutions Gravity Water Filtration System For backpack

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The membrane solutions gravity water filtration system for backpack's material feels more premium than its price would suggest. This is a simple gravity system. It works very well and looks like a very small package and easy to carry on long trips. It contains a variety of filters that will remove nearly 100% of contaminants including bacteria, heavy metal, chlorine, and so on. It's very light, perfect for backpacking/survival. It is made of durable bPA free, ultra-safe tpu material, so it won't leach harmful, endocrine-disrupting plasticizers into the water, thanks to a lot.

The material does have some weight and stiffness to it, which helps. It is lighter, faster, easier, and way more convenient to use. It is a simple gravity system.

Why We Like This:

Makes drinking water for campers and preppers
Makes good addition to camping gear, hiking gear, car kit, home emergency kit, etc
Heavy duty bag and the filter can be disassembled for cleaning

Best For international Travel: Waterdrop Gravity Water Filtration System For backpack

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The waterdrop gravity water filtration system for backpack should be able to handle its purpose and duties with ease. 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 reduces 99.99% of harmful substances. It is easy to absorb water and can quench your thirst instantly. It eliminates cumbersome fittings and saves space, and brings you pure water with the greatest convenience and comfort.

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. It is amazing to see the sediment that didn't make it to the filter from the prescreen before the drain tube. The threading is convenient and instructions on the reservoir bag are nice. 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.

Why We Like This:

Easy to use and works well
Match with water bags or bottles for the ultimate drinking experience
Convenient threading, flow rate slowed on day

Best For saltwater: Caredwater Gravity Water Filtration System For backpack

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Not everyone likes to purchase system for their daily purpose, but the caredwater gravity water filtration system for backpack would be an anomoly. This portable electric water filter is the perfect tool to add to your emergency preparation kit. It's lightweight and easy to pack, making it a great choice for backpackers or anyone who wants to travel light. This system is capable of removing up to 99.9999 % of bacteria, protozoa, and other harmful contaminants from water sources. The included lengths of tubing and storage water bladder make producing your own potable water a cinch.

This ensures that you can drink safely from rivers, streams, or lakes without worrying about getting sick. It’s small so it doesn’t take up a lot of room, replaceable filters and can be operated manually. The drinking bag that is included is perfect for filling up with clean water, and then folding away flat for the next use.

Why We Like This: