MSA Advantage N95 Snap-On Prefilter Disc (50-pack) Particulate Respirator From the published specs: ANSI/ISEA

From the published specs: ANSI/ISEA 105 A2 cut resistance

Browse our full range of MSA respirator filters and cartridges to ensure your program is stocked with the correct replacement media

It uses a lightweight wraparound polycarbonate lens in a soft TPR frame with rubberized temple tips and an adjustable nosepiece

the 6430 Alphas is NRR 27 (reusable flanged)

MSA Advantage N95 Snap-On Prefilter Disc (50-pack) Particulate Respirator From the published specs: ANSI/ISEAEDITORIAL REVIEW: 4. 5 5WC Safety Review MSA Advantage N95 Snap On Prefilter Best For: adding N95 particulate protection over an MSA Advantage cartridge and extending its life. Not For: gases, and it is not a standalone respirator use it with a cover over an Advantage cartridge. Bottom Line: the snap on N95 prefilter for the MSA Advantage system; pair it with the reusable cover and your gas cartridge. Editorial assessment by Steven Eaton, WC Safety