Used to change the horizontal direction of two sections of rectangular stack duct. 30 ga.

Used for in-line transition from round pipe or insulated flexible duct to a register or grille. 30 ga.

Used for right-angle center-end transition from round pipe or insulated flexible duct to a register or grille.

Used for right-angle transition from round pipe or insulated flexible duct to a register or grille.

Metalized jacket, single strand fiberglass yarns for added strength and tear resistance. 2 in thick glass fiber.

Used for in-line transition from round pipe or insulated flexible duct to a register or grille. 30 ga.

Imperial Wall Register Boot, Galvanized, 3 in L, 10 in W

Used between wall studs for venting, heating and air conditioning supply and return duct.

Imperial Wall Stack Boot, Galvanized, 3-1/4 in L, 10 in W

Used for right-angle transition from round pipe or insulated flexible duct to a register or grille.

Used for in-line transition from round pipe or insulated flexible duct to a register or grille. 30 ga.

Metalized jacket, single strand fiberglass yarns for added strength and tear resistance. 2 in thick glass fiber.

Semi-rigid aluminum duct is ideal for applications where building codes require use of all aluminum duct. The duct is totally non-combustible with a maximum operating temperature of 400 deg F.

Combines the properties of two popular insulating materials in one handy roll. It can be used on both heating and air-conditioning ducts, as well as on car and truck hoods and trunks.

Semi-rigid aluminum duct is ideal for applications where building codes require use of all aluminum duct. The duct is totally non-combustible with a maximum operating temperature of 400 deg F.

Metalized jacket, single strand fiberglass yarns for added strength and tear resistance. 2 in thick glass fiber.

Metalized jacket, single strand fiberglass yarns for added strength and tear resistance. 2 in thick glass fiber.

Semi-rigid aluminum duct is ideal for applications where building codes require use of all aluminum duct. The duct is totally non-combustible with a maximum operating temperature of 400 deg F.