MSR Guardian Annual Maintenance Kit

One of the many innovations with the new Guardian Purifier is its self-cleaning action, only requiring minor replacements once a year, and MSR stored all the small gaskets and springs you need to replace inside the Guardian Annual Maintenance Kit.

DESIGN & DETAILS: 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 Includes:Instructions,Pressure Relief Valve Assembly, O-rings,Cup Seal, Piston, Umbrella valve, Silicone lubricant, & Cleanside Cover