The Master Flow Evaporative Cooler Duct Kit is used in a Down Draft Cooler Installation. The kit includes 2 starter sections， 10 ft. of 18 in. flexible duct， a 20 in. square register box and a 20 in. square ceiling diffuser. This kit is compatible with a 6500 CFM sized cooler. Legs are not included in this kit.
Compatible with 6500 CFM sized evaporative cooler
Register box is 20 in. x 20 in. to 18 in. round
Ceiling diffuser is 20 in. x 20 in. rounds white
Install in accordance with local building code requirements
Legs not included in kit
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