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.
Lambro 2841 Worm Gear Clamp, 4 in Duct, Clamping Range: 3-9/16 to 4-1/2 in, Steel, Zinc
Lambro 1775L Inline Damper
Lambro 3003L Elbow Kit, Plastic
Lambro 344 Preferred Hood Vent, 6 in W Hood, 4.76 in H Hood, 4 in Duct, Aluminum Hood