MSA Advantage 420 Series Half-Mask Respirator with Cartridge Connection 0840268908874 The full brim extends uniformly

The full brim extends uniformly around the entire circumference

The RP1 closes both — a closed-cell foam gasket that seals against the face to keep fine dust out

A fit test and clean-shaven seal are required

100 pads in a bulk sterile case

the vented Class C version is the pick where there is no electrical hazard and airflow matters more

MSA Advantage 420 Series Half-Mask Respirator with Cartridge Connection 0840268908874 The full brim extends uniformlyAMAZON CUSTOMER RATING: 4. 5 5 WC Safety research note on the MSA Half Mask Respirator, a half mask respirator. Rating shown is the Amazon customer rating at the time of writing, not our own score. Specification based assessment by Steven Eaton, WC Safety Editorial, from the published MSA listing and NIOSH 42 CFR 84 and OSHA 1910. 134. We have not hands on or laboratory tested this product. The MSA MSA Advantage 420 Series Half Mask Respirator with