Product Features OSHA Approved Fit-Test protocol Use with any Filtering Facepiece (Disposable) and Negative-Pressure Half Face Respirators Sufficient solution for up to 55 tests Each kit contains th...

Product Features: OSHA Approved Fit-Test protocol Use with any Filtering Facepiece (Disposable) and Negative-Pressure Half Face Respirators Sufficient solution for up to 55 tests Each kit contains t...

This product is used when performing a quantitative fit test on Maxisafe STS (Shigematsu) respirators Do not use this product for unintended purposes, as doing so may cause malfunctions or accidents.

Description 3M™ Filter Retainer 501, Respiratory System Component (1 Pair per Pack) The 3M™ Filter retainer 501 is required to hold the 3M™ Particulate Filters 5925 or 5935 in place on top of the ...