The Ironwear 3940 is designed to attach to bracket on hard hat or directly to head gear with hook and loop strip This visor is not to be used for welding.
Absorbs odors from pets and smoking, pungent smell and particulates from indoor grow tent. * Versatile applications: item can be used as intake or exhaust filter in a variety of setups including use with inline fan and duct fans, intake and exhaust fans, air exchange fans, ventilation ducts, and other accessories. * Effective odor control: protects from chemical irritants and eliminates odors from bathrooms, basements and kitchens.1050+ IAV Australian RC412 activated carbon: High-quality carbon for higher absorption and long service * Reversible flange and base: the flange and bottom can be removed to reverse the charcoal canister, allowing the filter body to be flipped upside-down for reversible smell filtration and an extended service life.