SteriPEN PreFilter

Mountain Equipment Verified independent store

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Description 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 Ster iPEN 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 bottles and MSR Dromedarys Specifications Dimensions: 47mm x 67mm Weight: 43grams Filter: 40 micron durable nylon screen Function: Dual water seals to prevent contamination of drinking surface Compatible with: Nalgene® and other 32 ounce wide-mouth water bottles Show more