HEAVY DUTY POLYETHYLENE PORTABLE EVAPORATIVE COOLERS HEAVY DUTY POLYETHYLENE PORTABLE EVAPORATIVE COOLERS Product No.   HEVAP-36 Blade Size   36" Motor HP   3/4 AMPS   13.9 CFM High   11000 CFM Low   6500 Effective Sq. Ft.   3500 Internal Water Tank (gal.)   46 Size L x W x H   62 x 32 x 70" Wt. (lbs.)   325 Price Ea.   $2,951.19 Quantity: