Access clean drinking water wherever your adventure takes you. The HydraPak 28 mm Inline Filter transforms any compatible reservoir or bottle into a high‑performance filtration system, delivering fast, reliable water purification in the backcountry. Designed for minimal weight and maximum versatility, it integrates seamlessly with all HydraPak 28 mm‑opening bottles, flasks, and Plug‑N‑Play reservoirs.
Using advanced hollow‑fibre membrane technology, the filter removes 99.99% of waterborne bacteria, 99.99% of protozoan cysts, and 99.99% of microplastics ≥3.0 microns, meeting EPA Guide Standards, NSF P231, and NSF 42 requirements. With a flow rate of 1 L per minute and a lifespan of approximately 1,500 L, it delivers dependable performance without slowing you down.
Lightweight, compact, and easy to maintain, the system includes both a cap adapter and a backflush adapter to keep your filter running at peak efficiency. Whether you’re hiking, bikepacking, or travelling off‑grid, this inline filter ensures safe hydration with minimal effort.
Features
Comprehensive Filtration: Removes bacteria, protozoa, and microplastics to 99.99% effectiveness.
Fast Flow Rate: Filters water at approximately 1 L/min for quick hydration.
Long‑Lasting: Treats up to 1,500 L of freshwater.
Versatile Compatibility: Works with HydraPak 28 mm bottles, flasks, and Plug‑N‑Play reservoirs.
Lightweight & Compact: Just 47 g and 129 mm long—ideal for ultralight setups.
Easy Maintenance: Includes backflush adapter to restore flow and extend filter life.
Durable Construction: Built from PP/POM, EPDM, silicone, and hollow‑fibre materials.
Specifications
Diameter: 34 mm
Length: 129 mm
Weight: 47 g (filter only)
Materials: PP/POM, EPDM, Silicone, Hollow Fibre
Included: Filter, Cap Adapter, Backflush Adapter