Product Reviews

The MSA Advantage R95 Snap-On Prefilter Disc (20-pack) is a respirator filters from MSA Safety, listed at $72.00. This review restates what the product page documents, places it in its respiratory protection lane, and points to the ranked guides for the head-to-head field.

Yes — if you run MSA Advantage half-masks in environments with oil-based aerosols and you are using or plan to use the MSA 815397 R95 prefilter disc, the MSA 815401 is the correct and required cover. It is not optional hardware — the R95 disc cannot create a sealed filtration assembly without it.…