On-the-go filtration for adventurous hydration The HydraPak 42mm Filter Cap transforms compatible HydraPak products into efficient water filtration systems, ideal for hikers, campers, and travellers. Designed to thread seamlessly onto all sizes of HydraPak's 42mm threaded Seeker water storage bags and Flux flexible bottles, this filter cap removes 99.99% of E. coli and parasitic cysts, providing safe drinking water directly from your reservoir. Weighing only 57 grams, it features a high-flow nozzle with a dust cover to keep the drinking surface clean, ensuring quick and easy hydration on the move. Features Compatible with HydraPak's 42mm threaded Seeker water storage bags and Flux flexible bottles Removes 99.99% of E. coli and parasitic cysts High-flow nozzle with one-handed operation Dust cover protects the drinking surface Lightweight design at 57 grams Specifications Dimensions: 4.2 cm Claimed Weight: 57 g Materials: PP/POM, EPDM, Silicone, Hollow Fiber
