DL Wholesale duct flanges are constructed of steel for durability, as well as powder coated to withstand rust that can form in humid environments. Offered in standard sizes including 4", 6", 8"...
DL Wholesale duct flanges are constructed of steel for durability, as well as powder coated to withstand rust that can form in humid environments. Offered in standard sizes including 4", 6", 8"...