In this study, the Platypus Quickdraw (left), Sawyer Squeeze (middle), and Katadyn Befree (right) hollow-fiber membrane squeeze filters are studied. The study includes a measurement of flow rates in response to dirty water filtration, backflushing, storage protocols, and long-term use.

Backpacking Light: How Effective are Backflushing and Storage Practices for Backcountry Squeeze Filters Using Hollow-Fiber Membrane Technology?

In this study, the Platypus Quickdraw (left), Sawyer Squeeze (middle), and Katadyn Befree (right) hollow-fiber membrane squeeze filters are studied. The study includes a measurement of flow rates in response to dirty water filtration, backflushing, storage protocols, and long-term use.

Backpacking Light: How Effective are Backflushing and Storage Practices for Backcountry Squeeze Filters Using Hollow-Fiber Membrane Technology?

Backpacking Light: How Effective are Backflushing and Storage Practices for Backcountry Squeeze Filters Using Hollow-Fiber Membrane Technology?

Backpacking Light: How Effective are Backflushing and Storage Practices for Backcountry Squeeze Filters Using Hollow-Fiber Membrane Technology?

Backpacking Light: How Effective are Backflushing and Storage Practices for Backcountry Squeeze Filters Using Hollow-Fiber Membrane Technology?

Backpacking Light: How Effective are Backflushing and Storage Practices for Backcountry Squeeze Filters Using Hollow-Fiber Membrane Technology?

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