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MSR Guardian Water Purifier Prefilter Replacement
If your guardian pre filter becomes worn or damaged, this replacement helps extend the life of your purifier
Easy to install
Designed to self-right and draw water from just below the surface where the water is the cleanest
Includes and float
Made in the USA of US and imported materials
If your guardian 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. Includes and float.