Lambro Dryer Ventilator, 4 in Vent Hole, Plastic, White, For Bathroom Fan And Dryer Venting

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

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

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.

Used for right-angle 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.

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.

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.

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

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.

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.

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