GravityWorks(TM) Push-Pull Cap Adapter
GravityWorks(TM) Push-Pull Cap Adapter, Ultralight, simple, and easy to use, the Push-Pull Cap Adapter allows a GravityWorks system to filter directly into any water bottle fitted with a push-pull cap. The adapter can also be a line-in connector for filtering directly into a hydration reservoir's drink tube or shutoff valve with the bite valve removed.