- Allows a 3M™ Particulate Filter 5000 Series to be combined with a 3M™ Gas and Vapour Filter 6000 Series to offer protection against airborne particles
- Suitable for use with all 3M half and full face masks
- Can be used with 3M™ Filters 5000 Series to add particulate protection to the gas and vapour filters
- Easy to snap into position over the filter
3M™ Retainer 501 allows a 3M™ Particulate Filter 5000 Series to be combined with a 3M™ Gas and Vapour Filter 6000 Series to offer protection against airborne particles.