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Weights for models CHC431/ 432/ 441/ 442 - Shipping: 178 Operating: 215 Weights for models CHC631/ 632/ 641/ 642/ 651/ 652 - Shipping: 239 Operating: 295 MasterCool Contractor With 8” Thick Cooling Pads • Original MasterCool pads provide 80% evaporative cooling efficiency. • Available in 4,800 and 6,500 CFM models and in down or side discharge. Ind. Std. Certified Air Delivery CFM (Cubic Feet per Minute) Model Air Motor Cabinet CFM Inches static pressure w.g. (water gauge) Number Discharge HP Vo