The new Pro-KoolÂ® Evaporative Cooler from Schaefer is constructed of a solid, UV-protected, rotomolded housing with an attractive marbled finish. Pro-KoolÂ® features a 42-inch fan, while taking up minimal floor space. Rugged 1-hp motor helps generate 12,418 c.f.m., delivering 20 percent more cooling comfort wherever needed. Water reservoir is adjustable. Schaefer Ventilation Equipment, Sauk Rapids, MN.