Test Mandrels are pulled through your duct system after conduit is installed to verify duct integrity and to comply with the ovality (roundness) specification the owner may have
Mandrel made from solid aluminum for durability and corrosion resistance
Test Mandrels are pulled through your duct system after conduit is installed to verify duct integrity and to comply with the ovality (roundness) specification the owner may have
Mandrel made from solid aluminum for durability and corrosion resistance