3M 501 Filter Retainers [2pcs]

The 3M 501 Filter Retainers are designed to securely attach 3M particulate pre-filters to compatible 3M gas and vapour filters. Easy to install and reusable, they help create a combined filter system for protection against both gases, vapours, and airborne particles. Compatible with 3M 5000 Series pre-filters and supplied as a pack of 2 retainers.