3M™ Cover 501 for 5000 and 6000 series respirator filter

Pre-filter cover for use with 5000 Series dust filters: 5911, 5925, and 5935 and canisters 6000 for protection against gases, vapors, and with filter base 603. Cover for attaching 5911, 5925, and 5935 filters For use with 3M 5000 Series filters to provide dust protection in addition to gases and vapors Packed in 2 pieces Provides easy placement of filters.