The Singulair Model 206C aerator from Norweco includes special alloy and molded plastic parts to prolong aerator life. With watertight integrity ball bearings, radial air intake openings, NEMA 6-rated waterproof electrical connections and a UL recognized fractional horsepower motor, it combines advanced electromechanical components with energy efficiency. It is UL listed and CSA certified. 800/667-9326; www.norweco.com.