Metal-Fab 4MIX6 4 x 6, 0.012 Aluminum Alloy Flue/0.018 G90 Galvanized Steel Casing Double Wall Round Type B Gas Vent Increaser voomi_id_7100 Its energy-efficient design leads to

Its energy-efficient design leads to cost savings on energy bills

Features a fifteen-second safety switch timing

and is perfect for various fuel tanks

Bore Size: 1 1/8 inches

50 Ton Air Handling Unit 460/3

Metal-Fab 4MIX6 4 x 6, 0.012 Aluminum Alloy Flue/0.018 G90 Galvanized Steel Casing Double Wall Round Type B Gas Vent Increaser voomi_id_7100 Its energy-efficient design leads toProduct Description Metal Fab presents the 4MIX6, a durable B Vent Increaser designed for safe and efficient gas venting applications. This product, listed by Underwriters Laboratories for approved Category 1 gas furnaces, heaters, and boilers, is engineered for both residential and commercial installations requiring a non positive vent static pressure system. UL Listed to mate with other specified gas vents for seamless integration. Features Metal