Platypus GravityWorks Replacement Reservoir 4L Adventure Medical Kits They're perfect for heavy use

They're perfect for heavy use by frequent travelers

Fits all MSR Fuel bottles

Oboz molds this heel counter

All-purpose – Bonds with all types of outdoor fabrics

It also revitalizes the existing Durable Water Repellency (DWR) of both the outer fabric and the down

Platypus GravityWorks Replacement Reservoir 4L Adventure Medical Kits They're perfect for heavy useReplace worn out or damaged reservoirs, or adapt the capacity of your existing GravityWorks system to meet the needs of any trip. Unique, dual layer laminate combines a rugged exterior with a food grade, taste free interior. Reservoirs are interchangeable with any GravityWorks system, allowing you to create the capacity you need for any trip. 4. 0L Kit includes: 4. 0L Dirty Reservoir with Quick Disconnect (female side) and 4. 0L Clean Reservoir.