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.  Learn more by visiting our Filter FAQ page. 

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.