SteriPEN PreFilter Waterproof Sacks Whicking and quick dry Supplex

Whicking and quick dry Supplex fabric

The ideal helmet for all uses where the lowest possible weight is required

So it's time you started looking like one

10 mm diameter roller

SteriPEN PreFilter Waterproof Sacks Whicking and quick dry SupplexDescription For a SteriPEN to work, the light needs to be able to get to all of the water particles. Cloudy or dirty water could inhibit how effective the UV treatment is. The SteriPEN Pre Filter is a compact water filtration device that removes debris from water so the UV light can effectively destroy the microorganisms in it. The thread on the Pre Filter is common to most types of outdoor hydration brands and products such as Nalgene, Camelbak