MSR Guardian Filter Brush - $6.95 MSR Guardian Filter Brush cleans buildup inside filter and exposes fresh filter material for improved flow for the Guardian™ filter. The MSR Guardian Filter Brush is necessary to keep your filter at its best.
MSR Guardian Pump PreFilter - $19.95 If your Guardian prefilter becomes worn or damaged, this replacement helps extend the life of your purifier. Easy to install, it’s designed to self-right and draw water from just below the surface, where the water is cleanest.
MSR Guardian Pump Replacement Hose - $14.95 Guardian Purifier replacement hose kit. The 48” dual hose includes both the Inlet Hose, and the Dirty Water Outlet Hose used for the purifier’s self-cleaning system. Relief spring also included.