DetailsThe MSR Guardian Pump Annual Maintenance Kit contains 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.
- 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
Best Use Backpacking, Camping
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