IPG AC50 14 Mil Premium Grade Duct Tape 1.88" x 60 yd, Silver Intertape premium duct tape for when high tensile and tear strength is needed Ideal for sealing heating and air ventilation systems, and repairs Use for HVAC applications, asbestos/lead/fiberglass abatement, sand blasting, or as a moisture barrier Meets HUD, L.A. County, and BOCA codes; tested in accordance with UL-723 Made in USA