Sawyer Gravity Bottle Adapter

Work in progress.

Repurposed the the threading from the gopro bottletop mount to create a female to female water bottle adapter.

Use case is for ultralight hikers to screw their Sawyer Squeeze directly from a bladder (such as Platypus) to a Smartwater bottle for use in a simple gravity filter setup.

This does not create an air-tight seal, meaning it works well as a gravity filter, but applied pressure or backflushing may cause a bit of mess.