Sawyer International Squeeze Water Filter System

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Compact, easy to use, and surprisingly capable—an ideal grab-and-go water filter for quick missions or backup peace of mind.

Membrane Solutions says: 

Take the hassle out of filtering water. The Squeeze Water Filter System allows you to store and filter water with ease! Combined with it’s compact size, impressive flow rate and filtration accuracy the Squeeze Water Filter System is a must have for any backpacking trip!

Our Verdict

The Membrane Solutions Squeeze Water Filter System is about as straightforward as it gets: a lightweight filter (61g) paired with a soft bottle, ready to go straight from the kit. It’s a familiar setup—scoop, squeeze, drink—but the five-stage filter punches well above its weight. It handled everything I threw at it, from tannin-stained streams to gritty puddles, delivering clean water with minimal faff.

The 0.1-micron filtration gives a decent flow rate for this kind of system, and the included bottle makes it a fully functional unit straight out of the box—no adapters or extras needed. It also connects easily to other bottles or pouches with a 28mm thread, adding versatility.

It’s worth noting that the filter benefits from a backflush if the flow starts to drop. A syringe would make that easier, but the soft bottle works well enough. With two bottles included in the kit, you’ve got options for clean and dirty water, or extra storage. For the weight and price, it’s an easy win.

– Reviewed by Ultralight Outdoor Gear

Features

• Water Purification Survival Kit Design for All your Outdoor Water Needs
• Squeezeable water filter with high performance: 0.1 Micron Filter Pole Size, Upgraded 5 Stage Filtration
• Food-grade Material, SGS Test, and Certificated
• 1,320 Gallons Long Life-Span
• Survival Water Purifier Kit with Versatile Filtering Modes, Multiple uses

Specifications

• Weight of filter and 1 bag: 87g
• Filter Weight: 61g
• Weight of a single bag (two included in the set): 26g 
• Lifespan: 5000 Litres
• Dimensions (L*W*H): ‎1.57 x 1.57 x 8.66 inches
• Purification Method: Ultrafiltration, Activated Carbon
• Filter Life: 5,000L/per
• Maximum Flow Rate: 500 Milliliters Per Minute

Material & Construction

• Smaller Pore Size 0.1 Micron Outdoor Straw Water Filter
• Hollow Fiber UF Filter
• PP Cotton-2
• Activated Carbon Filter
• PP Cotton-1
• Coarse Filter Screen

Help & advice:

• The Ultimate Guide to Water Treatment and Purification
• Time-Saver Guide to Water Purification