Guardian™ Purifier Maintenance Kit

Guardian™ Purifier Maintenance Kit includes all the necessary components and instructions required to maintain your MSR Guardian Purifier Pump's performance and reliability. 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.