Gravity Filters

A lightweight and compact filter that connects to any 28mm water bottle or flask. The Inline Filter can also be incorporated into a HydraPak bladder system. Hydrapak says:  Access potable water anywhere. Our unique and versatile 28MM inline fil…

Lightweight, hands-free water filtration for around camp. Katadyn says: The BeFree Gravity 3.0L weighs just 192 grams and uses gravity to purify up to 2 litres of clean drinking water per minute. The handling of the water filter is particularly easy:…

Lightweight, hands-free water filtration for larger groups. Katadyn says: The sleek, foldable Katadyn BeFree Gravity 6L filter system uses gravity to get the freshest, cleanest water you can trust. The heart of the BeFree Gravity 6L is the EZ-Clean..…

We're working out what we think - we'll add our view here!  Platypus says:  The multi-compatible QuickDraw 3L Gravity Filter System is the most versatile ultralight gravity filter on the market. Able to convert from a gravity system to a...

The GravityWorks 2.0L System - Bottle Kit allows you to filter 2 litres of water without pumping, straight into your water bottle or hydration reservoir. Platypus says The minimalist GravityWorks 2.0L Bottle Kit system is both ultralight and...

An extremely durable and high-performance water filtration system from Life Straw. LifeStraw says:  It’s the simple, lightweight and compactible option for back-country camping and backpacking. The optimized filtration cartridge boasts a …

The Go Flow Gravity Bag combines the hugely popular Versa Flow filter with a tough, large capacity gravity filter set up. This 10L system is ideal for large groups and use at base camp. HydroBlu says The Go Flow Water Gravity Bag with the Versa Flow…

Lightweight, hands-free water filtration for larger groups. Katadyn says: The sleek, foldable Katadyn BeFree Gravity 6L filter system uses gravity to get the freshest, cleanest water you can trust. The heart of the BeFree Gravity 6L is the EZ-Clean..…

The GravityWorks 2.0L system holds up to four liters (depending on configuration), is light weight and packs small, making it ideal for 2-4 people in the backcountry. Platypus says: An ultralight and versatile water filter that makes it easy to treat…

Delivering four liters of filtered water is just 2.5 minutes with no pumping, there’s simply no easier or faster way to get safe water away from home. Ideal for bigger groups, the system’s eight-liter capacity eliminates both the worry an…

Filtering up to 1.75 liters a minute without any pumping there’s simply no easier or faster way to get safe water away from home. Ideal for bigger groups, the system’s eight-liter capacity eliminates both the worry and hassle of keeping..…

A hight volume, microbiological gravity water purifier Lifestraw says High-Volume Gravity Water Filter and Purifier. Protects against viruses, bacteria, parasites, dirt, sand, and cloudiness. Independently lab tested, durable and BPA Free. Every fill…

The MSR Guardian Gravity Purifier delivers high volumes of purified, virus-free water on-demand virtually anywhere on Earth. One of the best available filters no matter where you are or how bad the conditions may be. MSR says Using the advanced...

The MSR Trail Base Water Filter Kits can be easily transformed from a trail filter into a gravity system which makes it perfect for adventurers who explore the backcountry in multiple ways. MSR says To meet the needs of multi-activity backcountry..…

We're working out what we think - we'll add our view here!  LifeStraw says:  The LifeStraw Peak Series Gravity Water Purifier is a portable, high-capacity water purification system that removes viruses, in addition to bacteria, parasites an…