Complete service kit for MSR® MiniWorks® and WaterWorks*reg microfilters

For periodic maintenance of MiniWorks® and WaterWorks® filters -- this convenient carry case contains full instructions and components needed to maintain filter performance and reliability.

Includes:

• filter housing O-ring
• filter inlet foam
• MSR food grade silicone lubricant
• pressure relief valve O-ring
• cartridge lower end cap O-ring
• piston O-ring
• pressure relief washer
• pressure relief duckbill valve
• instructions