HydraPak 42mm Filter Cap Alpine glasses Marking on the ascender is

Marking on the ascender is on side that is visible when installed

Liner Fabric: 20d polyester taffeta

Fits round

75 litres per minute

HydraPak 42mm Filter Cap Alpine glasses Marking on the ascender isOn the go Water Filtration. Overview Filter water on the go. The new 42MM Filter Cap threads seamlessly onto all sizes of HydraPaks 42MM threaded Seeker water storage bags and Flux flexible bottles morphing them into filtration solutions. The end result being lightweight filtration kits that can either be used to squeeze filtered potable water into other camp bottles and containers or to drink freshly filtered water from a Seeker, Flux, UltraFlask or