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.
• Weight: 1.1 oz.
• Width: 1.8 in
• Length: 3.3 in
• Made In USA of U.S. and Imported Materials