Guardian Purifier Maintenance Kit

The MSR Guardian Purifer Maintenance Kit includes all the necessary components and instructions required to maintain your Guardian purifier's 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.