Dial Galvanized Steel Evaporative Cooler Roof Jack 78318

Multi-pitch adjustable roof jacks are ideal for the installation of all major brands of residential ducted down draft coolers. Roof jacks are flanged and adjustable. The 5500 to 7000 CFM jacks have 19 and 3/4 in. discharge opening. Used for 6500 CFM coolers Includes a slide-in winterizing damper Adjusts from flat up to 6/12 pitch Galvanized steel CA Residents: Prop 65 Warning(s) Prop65 Warning Label PDF