Are you planning to buy gravity water purification systems, and are you confused about the options ? You have landed on the right page.

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Our Top Picks:

Best Overall: Buy: Platypus Gravity Water Purification System READ REVIEW

Best For Bug: Buy: Sawyer Products Gravity System READ REVIEW

Best For Adults: Buy: Sawyer Products Gravity Water Purification System READ REVIEW

Best With Great Packaging: Buy: Survivor Filter Gravity Water Purification System READ REVIEW

Best For International Travel: Buy: Lifestraw Gravity Water Purification System READ REVIEW

Best For Peace Of Mind: Buy: Platypus Water Filtration READ REVIEW

Best For Water Filter Set: Buy: Lifestraw Mission Water Purification System READ REVIEW

Best For Daily Use: Buy: Purewell Filtration System READ REVIEW

Best For Salt Water: Buy: Purewell Gravity Water Purification System READ REVIEW

Best Overall: Platypus Gravity Water Purification System

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The Platypus Gravity Water Purification System is long-lasting, rigid and fits well with your regular usage like a dream. The platypus gravity water purification system has amazing filter, is easy to fill, it is great with no pumping and has a good overall design. The Manufacturer says: That's why we put thousands of hours of laboratory testing and field use behind every piece of gear we sell. The universal bottle adapter allows any gravityworks water filtration system to filter directly into a wide range of hard bottles and hydration systems, eliminating the weight of a dedicated clean reservoir.

The system is easy to assemble, it is easy to store and has a compact design. Finally, the platypus gravity water purification system is ideal for basecamps, group and family camping, outdoor activities, and emergency preparedness.

Almost all customers quickly discovered that the system could be used in the last 20 years. Moreover, a few say that the system takes a lot longer, but removes the big chunks before they go through the filter. Also, a few strongly agree that it is the most effortless system, but sometimes getting the water bag full can be hard in certain shallow streams.

• This is pictured hanging on a tree or high stand.
• This can be used on many backpacking and canoeing trips.
• This packs down light, it is perfect for compact size and has a convenient design.
• This is used for about 30 days.

Best For Bug: Sawyer Products Gravity System

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If you often find yourself scrambling for a convenient and suitable system, Sawyer products gravity system should be your first option for buying. The Sawyer products gravity system works very well, It is great for super light and has a good design. 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. In addition, it is very simple, It allows for good flow rate and has a nice design.

Finally, the Sawyer products gravity system features 0.1 micron absolute filtration, meaning there is no pore size larger than 0.1 micron in size.

Almost all buyers agree that the system fits on smart water bottle. And, a few say that the system is great for hiking in the himalaya, extremely rugged and simple to use. Moreover, a few strongly agree that the filter can then be used as a gravity system by hooking it up a couple of feet below the collection bag, and letting gravity push the water through. In short, many have used the system for more than a few months without letup, and it shows no sign of giving up.

• This is perfect for outdoor adventures and it is good for pond water.
• This is so much easier to use than the others.
• This is good as advertised, not really that heavy, warning.
• This is much, much quicker compared to 13.

Best For Adults: Sawyer Products Gravity Water Purification System

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The features department is where Sawyer products gravity water purification system truly manages to shine. The Sawyer products gravity water purification system is very sturdy, it tastes great and has a compact design. When water flow begins to diminish, simply perform a backwash to restore up to 98% of the filter’s flow rate and enjoy fresh, clean water wherever you roam. Moreover, it comes with a sawyer's cleaning coupling accessories.

The system includes a dual-threaded mini water filter, 1-gallon bladder, cleaning plunger, and a gravity hose with adapters. And, the system forgets the bag, tastes good, it is clean and has a good design. Above all, the Sawyer products gravity waterpurification system comes with an easy-to-use, It comes with a great filter and has a convenient design.

Almost all customers quickly discovered that the system can be used inline or as part of a gravity system or as a straw. In addition, they say that the system is a big no go. Further, they also found that the system is easy enough to make one. Overall, most buyers agree that the system suits them best, and no one questions it.

• This is visible and it buy it separate.
• This is good for camping or preppers or other stationary use.
• This can be used on camping trips.
• This is designed for holding aquarium air hoses to the tank walls.

Best With Great Packaging: Survivor Filter Gravity Water Purification System

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Next on the list, we've got yet another system that manages to win our hearts. It's the Survivor Filter Gravity Water Purification System and it's widely considered as one of the most convenient systems you can buy. The survivor filter gravitywater purification system is abs material (same material used on car bumpers), polysulfone medical grade ultra filter (same material used in visors of apollo astronauts), food grade activated carbon and the handle contains a steel bar inside for extra support. Manufacturer says: Survivor filter was created following our founder’s former career consulting on military operations alongside us in troubled hot zones. Through these experiences, he witnessed firsthand the global water crisis and the importance of providing better technology to access clean water everywhere.

The system works well for clean tasting water, can wait for a good water filter, it is good for pond water and has a unique design. And, the system is designed to clear water, is good for super light weight, It is made for large capacity and has a compact design. Most importantly, the survivor filter gravity water purificationsystem is with fast shipping, It is made for food - grade abs and has overall design.

Almost all customers agree that the system is perfect for multi - day hikes and camping trips. And, they say that the system is suitable for backpacking and emergency situations. And, they also found that the pump is kind of tiring to use after a little bit. Without any doubt, this product passed the test and had very satisfied buyers eager to share their experience.

• This is made for the price, but it is okay.
• This improves taste, thanks to dual hollow fiber membrane (ultra filters) and carbon filtration.
• Proven protection against any unwanted objects in your drinking water.
• This comes with detailed instructions.

Best For International Travel: Lifestraw Gravity Water Purification System

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The Lifestraw Gravity Water Purification System's superior materials make sure that it ages well with use. The lifestraw gravity water purification system is very simple, It comes with a great filter and has a compact design. Gives you peace of mind when abroad. And, it is easy to fill, is trustworthy, it is easily portable and has a great design.

Above all, the lifestraw gravitywater purification system is a great life saver, It is environmentally friendly and has a simple design.

Most customers opine that the system does and makes it taste better too. Also, they say that the system is a lot more effective than stacking cases upon cases of water in the pantry. Further, a few say that the mission has a filtration cycle of 18000 liters, the bag comes as a 5 or 12 l option and it is a purifier, so it also removes viruses. Overall, buyers found this to be one of the best systems for daily purposes.

• This takes +/- 20 minutes, plus it works well for hiking packs.
• This is good for about 25 gallons.
• This is super compact, it allows for good flow rate and has a good overall design.
• This can be used on freshwater sources to remove bacteria, parasites, and microplastics.

Best For Peace Of Mind: Platypus Water Filtration

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If you want nothing but the most reliable system, then Platypus Water Filtration is the one you should definitely consider. The platypus water filtration is very compact and has a nice design. The result is clean and taste-free hydration you can count on day after day, anywhere in the world. The universal bottle adapter allows any gravityworks water filtration system to filter directly into a wide range of hard bottles and hydration systems, eliminating the weight of a dedicated clean reservoir.

The system is reliable, very durable, it is very small and has a simple design. Moreover, this provides up to 18 times more surface area than traditional filter media. Above all, the platypus water filtration is great as a life saver, It is great with no pumping and has a good design.

Almost all buyers found that the system is a water filter that made everyone jealous. In addition, they strongly agree that the system is useful for travellers staying in hotels/houses etc. Also, a few say that the system is great for hiking, bike trip, climbing, hydro backpack, outdoor event.ss. In short, at the price, they believe that they got a steal of a deal with it.

• This is designed to drink directly.
• This is perfect for any camping/hiking trip.
• You simply fill the reservoir and let gravity filter the water for you.
• This is surprisingly quick as well.

Best For Water Filter Set: Lifestraw Mission Water Purification System

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The best part: Lifestraw Mission Water Purification System costs comparatively low and it is available to ship in 24 hours. The lifestraw mission waterpurification system is made of durable, tpu laminated nylon. Make sure this fits by entering your model number. The larger capacity of the mission water purifier is ideal for providing clean water to multiple people, and is designed for camping, hunting, and other group or family activites, as well as disaster and emergency survival prep kits.

The system is easy to understand, works as advertised, it is made for large capacity and has a compact design. Lastly, the lifestraw mission water purificationsystem is perfect for a home emergency kit.

Almost all buyers found that the system is an invaluable accessory to have while out backpacking, or even during natural disasters (tornadoes, hurricanes) or when in an area with repeated water shut-downs. In addition, they also found that the system is a gift to friends in Puerto Rico who are in the midst of the crisis following hurricane Irma. In addition, a few also found that the filtration device that has both a blue " safe " water outlet and a backwash " red water. With no doubts, this system passed the test and had very satisfied buyers eager to share their experience.

• This is filled with medical supplies, food, blankets and now this high volume water purifier.
• This is made in South Korea and it is used for many things.
• This is a bit slower than a gravity filter that doesn't remove viruses.
• This is great for 4 people in the woods.

Best For Daily Use: Purewell Filtration System

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The Purewell Filtration System's superior materials make sure that it ages well with use. The purewell filtration system tastes better, has a capacity, it is very happy and has a great design. With a high quality water filter system, you will have clean, drinkable water on tap. The kitchen filtration system holds 2.9 gallons of clean water at a time.

The system is poured manually into the upper chamber. And, it is very simple, it comes with product dimensions and has a compact design. Lastly, the purewell filtration system is an ideal choice for those looking to dramatically improve their drinking water with a highly portable, simple to use system.

Almost all customers found that the systems are quick to respond and deserve a great rating. And, they also found that the system comes with a clear plastic straw to extend the length of either end a bit if needed. Moreover, they say that the system does have a different taste at first. Without any doubt, this system passed the test and had very satisfied buyers eager to share their experience.

• This can also be taken on the road and used when camping or on vacation.
• This has a stable water flow and high filtration efficiency.
• This provides clean water for drinking and cooking.
• This is used for high grade 304 stainless steel and it is reliable.

Best For Salt Water: Purewell Gravity Water Purification System

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Not everyone likes to purchase a system for their daily usage, but the Purewell Gravity Water Purification System would be an anomoly. The purewell gravity water purification system comes with a great filter and has a nice design. Municipal water quality is not always safe for drinking, Purewell allows you to drink safely from water fountains at parks, airports, at school or tap water. The water filter system can remove 99.99 % of the tiny materials, cysts, particulates, sediments.

Lastly, the purewell gravity water purification system is great for replacement filter, It is super simple and has overall design.

Most customers quickly discovered that the system comes with bladders and tubing and is very fast. Further, they also found that the system can be hung up so that gravity can help take care of the work. Also, a few say that this system has two soft bottles that roll up, one for dirty water and one for the clean water to trickle into. To sum up, the tone of buyers is very positive and we believe that the system suits the purpose.

• This is routine to spend an hour working on water every day.
• Carrying it when travelling abroad is also a better choice for you.
• This comes with everything needed to hang up the bags.
• This can finish the three liters in about 4-5 minutes.