Special Features:

Lmaterial p1000-1 or equivalent; 5.250 in.Nom lg; 4.400 in.Nom width; 2.000 in.Nom ht; one hole one end 3.350 in.Nom inside diameter, second end 3.200 in.Nom inside diameter; one side has split line from top to bottom;

Properties:

An item composed of one or more materials, molded, compressed, and/or baked into a rigid covering of irregular shapes and sizes. it is designed to cover air ducts and/or air duct fittings used in air conditioning, heating, cooling, pressurizing and de-icing systems to restrict the dissipation of heat. it may completely or partially encase the item for which designed. it may be furnished with or without fillers, cement, and/or separate or attached accessories for installation, (excluding flexible air duct covering and rigid pipe and pipe fitting coverings used in construction and building materials). Excludes insulation blanket, thermal, aircraft; insulation pipe fitting covering, thermal; and insulation sleeving, thermal.