13-7/8" x 20-1/2" opening size. 2-1/4" thick. Industrial grade aluminum construction. Manufactured by Ruskin in Fairmont WV. Designed to be mounted vertically. Parallel bladed. Lot of 2 dampers.
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J&M Industrial buys and sells used and unused surplus industrial process equipment for the chemical, plastics, and mineral processing industries. We offer outstanding values in quality machinery, such as screeners, dust collectors, fans, blowers, conveyors, valves and much more. Our large inventory can provide you with the equipment you need, when you need it, and at an affordable price. Our sales staff is experienced in the industry.
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