Evaporative Cooler Roof JackWe manufacture our Roof Jack out of sturdy 26g galvanized sheet metal. It provides a secure platform for your roof mounted evaporative cooler. Use cooler legs to support the cooler's full weight Ideal for all major brands of roof mounted, ducted, downdraft coolers rated from 3,000 CFM 4,500 CFM Adjusts from flat to 6 12 pitch Slide in winter damper included
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