Product Display

One Gallon Gravity Water Filtration System

Product Introduction

A Filter More Suitable for Collective and Group Use


The One Gallon Gravity system filters a batch of water in just 7 minutes. It is highly portable and perfect for scouts, small groups, and assistance in emergency situations. Just let gravity do the job.

0.1 - Micron Absolute Filtration

With a removal rate higher than the world standard, it can remove 99.99999% of all bacteria, such as Salmonella, cholera, and E. coli, 99.9999% of all protozoa (like Giardia and Cryptosporidium), and 100% of microplastics.



100,000 - Gallon Rated Capacity

The filter membrane of the One Gallon Gravity can filter up to 100,000 gallons of water. It is sturdy and durable. It can be backwashed with the included cleaner, and up to 98.5% of the filter flow can be restored. It can be cleaned and reused indefinitely. It is lightweight and easy to carry, palm - sized. The filter weighs less than 1.5 oz, and the water bag can be rolled or folded, taking up little space and being convenient to carry.

Product Features

● Safety inspection, with high standards and excellent quality. Before leaving our production facility, the filters have undergone three air tests to ensure that no pathogens can penetrate the filter fibers.

● Greater convenience. Equipped with a double - threaded MINI filter, it allows you to use a flip - top sports cap on the filter, facilitating the on/off function.

● Versatility. It is highly suitable for outdoor leisure, hiking, camping, scouting, domestic and international travel, as well as emergency preparedness. The Sawyer One Gallon Gravity provides you with various ways to obtain clean water.