← Respiratory protection

Adapter for attaching to the 3M™ 501 retainer. For use with 3M™ 5000 Series filters. Filter adapter. The 603 filter adapter is used with the 3M™ 501 filter retainer to attach a 3M™ 5000 series filter to your 3M mask.
Range and product names as listed by our distributor, captured 13 September 2026. Availability, sizes, certification documents and pricing on request.