Reusable mask filter cover, 3M, 501, op. 2 pcs.
a BHP-3M 3M-BH-7100066103CPV:18143000-3

- reusable mask filter cover allows users to add particulate protection to existing 3M™ gas and vapor filters for use in a wider range of applications
- connects 3M™ 5000 series particulate filters to 3M™ gas and vapor filters
- quick and easy fit
- quantity: 2 pcs. (pair)
- color: gray