"This easy-to-install DuraVent Vent Unit Heater Kit includes all necessary components for garage heaters requiring direct venting of combustion by-products. Meets National Fuel Gas Code standards. U.S.A. Degree of Angle 45, Length in. 12, Mounting Type Horizontal mounting, Fuel Type Natural gas, Product Style Venting kits, Pieces qty. 7, Pipe Diameter in. 4, Pipe Design Double wall, Mounting Hardware Included Yes, Color Silver. 4in. horizontal design For use with Item#s 27426, 27427, 27456, 27457, 27464 and 27465"
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