Respiratory Protection Filtering Face Piece Respirators/ Dust Masks Soft and secure, conforms closely to face for additional comfort. Nose clip adjusts easily for fewer pressure points and greater comfort. Comfortable and easy to use which helps promote greater worker acceptance and increased wear time. Ideal for certain OSHA substance specific contaminants including lead, MDA, arsenic, cadmium (excluding asbestos); additionally for welding, pharmaceutical manufacturing Provides a minimum filter efficiency of 99.97% against non-oil based particles. Click here for a selection guide for face masks Abatement Respirators Comfort and durability. Unique adjustment design helps reduce tension and pressure points on the face for unsurpassed comfort Lightweight and low profile to help provide good visibility.