Sundstrom Safety Pre-filter SR 221 is a disc that is meant to catch coarse particles and by that extend the lifetime of the particle filters SR 510, and Organic Vapor Cartridge SR-232. The pre-filter is placed in the prefilter holder and then snapped on to the particle filter or combined filter.
There are no reviews for this item yet.
Description
Sundstrom Safety Pre-filter SR 221 is a disc that is meant to catch coarse particles and by that extend the lifetime of the particle filters SR 510, and Organic Vapor Cartridge SR-232. The pre-filter is placed in the prefilter holder and then snapped on to the particle filter or combined filter.