Platypus GravityWorks Universal Bottle Adapter
Platypus Camp & Hike Gravityworks Universal Bottle Adapter 6956.
Platypus Camp & Hike Gravityworks Pushpull Adapter 6955.
Platypus Camp & Hike Gravityworks 2.0L Filter System Bottle Kit 6952. The GravityWorks 2.0L system holds up to four liters (depending on configuration) is light weight and packs small making it ideal for 1-4 people in the backcountry. Two kits and a range...
Platypus took the already fast and easy-to-use GravityWorks(TM) filter system and came up with this smaller and lighter 2-liter version to fill your water bottles on backcountry adventures.