3M Reusable Respirator Overspray Guard for 3M Maintenance-Free Reusable Half Mask 4000+ Series, 400+ (pack of 10)

3M Overspray Guard 400+ prolongs respirator service life by reducing clogging of the particulate filters during paint spray applications.

Keeps filters clean during paint spray applications.

Traps larger spray particles before they reach and clog the filters.