The 3M™ Retainer 501 is an accessory used with compatible 3M™ filters and cartridges to create a combined respiratory protection system. It provides a secure and practical solution for industrial respiratory applications.
- Holds 3M™ 5925 and 5935 particulate filters
- Works with 3M™ 6000 Series cartridges and selected respirators
- Designed for practical integration with respirator systems
- Snaps securely into place over the filter
- Approved 3M system component