Just received my Fernez Willson, or Sperian mask that looks very similar to a standard full face MSA Respirator. This actually came with a completely sealed CFF3 filter that will be great
NEW Willson S6500 Full Facepiece Respirator w/ Six Pt Harness Sperian Honeywell | eBay
Honeywell Sperian Survivair Opti-Fit Full Facepiece Respirator
NEW NATO MASK RESPIRATOR SCOTT P3 FILTER FULL PANORAMIC EN136 SPERIAN | eBay