Evapcool, 6500 CFM, Side Draft Duct Cooler, Cools 1400-2300 SQFT, Motor Choice 1/2 HP, Motor Not Included, 5500 Industry Standard Rating, For 3/4 HP 6500 Industry Standard Rating, 2 Speed Motor, Aspen Pads Media, Side Draft, For Use With PPS Motor #81544,TV #297-135, PPS Motor #81564, Tv#293-123, PPS Pump #P-7G, Tv#111-507, PPS Pump #M-7500, TV #781-925, 8 Year Limited Warranty On Cabinet, Powder Coated For Durability. Cabinet Dimensions: 42-7/16 inch x 39 inch x 39 inch, Duct Opening: 19-3/4 inch x 19-3/4 inch x 9-5/8 inch.