The 7 Best Gravity bags (2023 reviews)

We consider a gravity bag to be a worthy investment in the long run. We are here to help you choose the right one for your purposes from all the best available products in market today.

Our review process: Show/Hide

Our Top Picks:

Best Overall: Buy: Waterdrop Gravity Water Bag READ REVIEW

Best For Travel: Buy: Sawyer Products Water Filter READ REVIEW

Best For backpack: Buy: Platypus Gravity Bag READ REVIEW

Best For Any Backpacking Or canoe trip: Buy: Sawyer Products Gravity Bag READ REVIEW

Best For larger group Of hikers: Buy: Lifestraw Gravity Bag READ REVIEW

Best For Backpacking And Trail riding: Buy: Purewell Gravity Bag READ REVIEW

Best For international Travel: Buy: Waterdrop Gravity Bag READ REVIEW

Best Overall: Waterdrop Gravity Water Bag

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Here, we present bag that manages to win our hearts. It's the waterdrop gravity water bag and it's widely considered as one of all-around great bag you can buy. If you need more than a cup of water, this is a good way to get enough to cook with a tree limb, etc. It is perfect for back country camping. It takes 2-3 swipes and additionally will hold about 4 liters. The valve that prevents it from leaking until the tube is connected is very convenient, and the hanging strap gives you a variety of hanging options for a variety of backwood settings.

This bag is heavy duty and large capacity. There is also a strap that is used to suspend the filled bag from a tree limb, etc. It is great for collecting water from multiple sources. It is easy to use, bring on all nighters.

• Would also function very well as clean water storage for base camp
• Adapts perfect to sawyer water filter, highly recommended combo
• Great for hanging and having gravity feed your water needs
• Huge opening makes for easy filling at water source

Best For Travel: Sawyer Products Water Filter

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Sawyer Products is known for creating pragmatic and minimalist bag for people on the go, and its line of sawyer products water filter definitely falls in line with that reputation. It is great for backpacking or camping with no running water. It includes a mini water filter, 1-gallon bladder, cleaning plunger, cleaning coupling, and gravity hose with adapters. 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. The larger bladder makes this so much easier to use if you are not in a rush for water.

It works great light weight and easy to clean. Gravity filtration is also handy compared to squeezing the smaller Sawyer bags.

• Light weight, compact, effective filter system
• Worked good to have clean water for cooking while camping
• Excellent water filtering system that works
• Very handy, super useful, easy to use and can be a lifesaver

Best For backpack: Platypus Gravity Bag

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If you often find yourself confused about appropriate and satisfactory bag, platypus gravity bag is your end point. The purpose of this filter is to not have to use those chemical filters. It includes a 2-liter dirty water reservoir, 2-liter platy bottle, hollow-fiber filter, hoses, universal bottle adapter, push/pull cap adapter, storage bag. It is easy to use, it’s fast, it does a large volume with minimal effort, and it packs up small. The collapsible clean water bag even comes with a pop up sports bottle like cap so it becomes a 2l water bottle when needed.

The rate of flow through the filter is amazing and makes for very quick fill up stops on the trail. It's compact enough to even take along when traveling abroad or throw in the car on a road trip "just in case. If you prefer to use the clean water bag as just an ordinary drinking bottle, there is a cap-cork in the kit included already. It is excellent for use in camp for cooking, cleaning and washing.

• Convenient, gravity fed, hands free filtration
• An excellent lightweight solution for filtering water while traveling
• Good brand reputation

Best For Any Backpacking Or canoe trip: Sawyer Products Gravity Bag

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The sawyer products gravity bag is capable of outshining several other bag featured in this list in overall features for the price point. The bladder wide mouth makes it easy to fill from any water source. It holds water and can be used with a filter so you can make dirty water safe to drink. It is great as a gravity system for filtering water. It's also great for repairing electronics, broken plastic pieces, filling in cracked or damaged knife handles, adding a cool grip to your pot lid handles, fixing damaged / cracked electronics cables & so on.

It has a wide mouth cap, for fast and easy filling AND it has a separate, "soda-thread" cap which is compatible with Sawyer accessory kits and systems, as well as your basic, 2-litre soda bottles. The bag has cleaning instructions so that after using it to filter dirty water, you can clean it and use it to store and transport clean water as well.

• You can use for backup storage, just fill, take, filter out when needed
• Awesome and lightweight with easy packing
• Great water filtration system with awesome flow rate
• A sawyer bag that can be hung for use as a gravity filter

Best For larger group Of hikers: Lifestraw Gravity Bag

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The lifestraw gravity bag is suitable and reliable and fits well with your regular usage. It is great for safe drinking water at a remote cabin. The mission water purification system removes viruses in addition to bacteria, parasites and microplastics from the water. It is a filtration device that has both a Blue "Safe" water outlet and a Backwash "Red Water. It allows access to clean, safe drinking water in the event of a natural disaster or survival situation.

It is a great high volume water filtration kit. The flow rate of 2.5-3.2 gallons per hour is fairly accurate. Hiking, Camping, Emergencies, and this is there for all Your Needs.

• Attaches to the roll bag for carrying the heavy 'filled' bag
• Makes for a perfect camping companion or addition to an emergency prep bag
• Gravity-fed, high-capacity, hollow membrane water purifier
• Removes virtually all bacteria (99.9999%), protozoa (99.99%), and viruses (99.999%) that can contaminate water

Best For Backpacking And Trail riding: Purewell Gravity Bag

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The purewell gravity bag is suitable and reliable and fits well with your daily purpose. It is great for backpacking and trail riding. It is built out of non-chlorinated peva vinyl, safe to store water inside. It is built out of non-chlorinated peva vinyl, so you can hang the gravity water filter bag from any tree you want, without worrying about no branches. It's meant to last a long time and have repeat usage if it's stored properly.

The speed of filtering is about 5 minutes for clean (from the tap) water. It is meant to hold around 3 liters of water, this water bag can hold water temperature from. It is easy to use and does a good job.

• Easier than a pump style filter
• Very well designed system, weighing just over 1 pound as a whole kit
• Lot of satisfied buyers

Best For international Travel: Waterdrop Gravity Bag

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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. 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 a more relaxed outdoor water 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. Both ends of it can be disassembled and connected with the water bags and the water bottles to offer you clean drinking water anytime anywhere. 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.

• Delivers what they promise
• Good investment for long term