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Airlock 181 fiber-reinforced water based duct sealant mastic 1 gallon
Model-800-009
This is manufactured in United States
Description
Water-based, designed for use in low to high pressure systems up to 25 inch W.G. Non-toxic, flexible and non-staining produces a strong, permanent bond on fiberglass duct board, flex-duct and galvanized steel sheet metal seals out moisture, air and dust meets ul-181 standards white cleans with soap and water while wet.