MSR Guardian Water Purifier Annual Maintenance Kit

The MSR Guardian Water Purifier Annual Maintenance Kit contains all the necessary components and instructions required to maintain your Guardian purifiers performance and reliability, packed in a small, convenient carry case for field use.

• Kit Includes: Instructions, Pressure Relief Assembly, Relief Valve O-ring, Piston O-ring, End Nut O-ring, Piston Cup Seal, Umbrella Valve, Clean Side Cover Seal, MSR Food-Grade Silicone Lubricant.