Moving an impressive 3.3lbs or 1.5kg of oxygen per horsepower hour and pumping over 900GPM or 198 m3/hour, Otterbine’s experience in wastewater treatment is obvious in the performance and results delivered by the High Volume Industrial Aerator. Constructed from stainless steel, thermoplastics and a rugged low speed motor; this system is built to withstand the demands of severe aquatic environments.