Sorry!  This item Is out of stock.  ( Platypus - Universal Bottle Adaptor for Gravityworks )

The Universal Bottle Adapter allows any GravityWorks™ water filtration system to filter directly into a wide range of hard bottles and hydration systems, thus eliminating the need to carry a dedicated Clean Reservoir. Its multi-component design lets you take just the parts you need for your vessel of choice to further lighten your load.