Speedi-Products AC-DMS T Water Base Duct Mastic Sealant Tube 10.5 ounces
Speedi-Products Low to high Velocity Air Duct sealant. Non Toxic adhesive sealant. Used for permanently sealing sheet metal and flexible duct system joints. UL-181 listed rigid fiberglass and flexible air ducts. Water based non flammable fire and weather resistant. Easy application and clean up.