NATIONAL GUARD PRODUCTS
NATIONAL GUARD PRODUCTS 5050B-21FT 21 FT FIRE/SMOKE SEAL
The National Guard Products 5050B-21FT 21 FT FIRE/SMOKE SEAL is a 21 ft. long, 1 in. diameter, polyethylene tube with a male end and a female end. It is used to seal openings in ceilings, walls, and...