Best Respirator Cartridge For Fiberglass
Fiberglass work has two hazards at once: fiberglass dust (needs P100) and resin/gel-coat fumes (needs an organic vapor cartridge). The best all-around choice is an OV/P100 combination. Picks for sanding, boat repair, polyester resin and gel coat, plus N95 vs P100 and 3M vs Honeywell.
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