Take your 42mm bottle and make it fit your 28mm filter!

Fits into Plug-N-Play Caps and Connectors to create a direct connection between your 28mm backcountry water filter and HydraPak Seeker storage containers, Flux bottles and reservoirs.

Compatible with most 28mm threaded water filters.

Must be paired with a HydraPak Plug-N-Play connection in order to work.

Example image pairs Sawyer Filter with the Filter Adapter and the Plug-N-Play cap. 

Weighs 6g