MSR Guardian System MAINTENANCE KITAll 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. Made In USA of U. S. and Imported Materials
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