Lambro 320L 4 in. Universal Aluminium Duct Extension Kit, Lambro Industries Inc, Mfr#: 520942

Features Universal Flexible Aluminum Duct Extension Kit. For 4 in. Flexible Aluminum Duct. Lama-Flex & Vinyl Duct. One 4" Duct Connector & 2 Worm Gear Clamps. Poly Bagged. Size – 4 in. Dimension – 3.5 x 4.25 x 4.25 in. Item Weight – 0.3 lbs.