National Hardware Interlocking Spring Snap 4-3/4" Fasteners Expansion pleats in key entry

Expansion pleats in key entry areas for incredibly easy donning even on heavy-duty work boots

bacteria and viruses--your filter will capture from the air passing through it

high early strength 5000 psi for commercial structural applications & superior durability

DESIGNED WITH EXCLUSIVE Filtrete™ Brand 3-in-1 technology from 3M to trap unwanted air particles while letting cleaner air flow through

National Hardware Interlocking Spring Snap 4-3/4" Fasteners Expansion pleats in key entryDesigned for lifting, pulling, mooring and other farm, marine, and recreational applications For quick attachment Wide head for easier gate clearance Manufactured from Grade 316 stainless steel