... ,aerator cylinder,grease seal,mechanical seal &impellor I. Cavitation Aerator is a patented products developed based on years ... slaughtering industries wastewater treatment and municipal sewage treatment. II. Cavitation Aerator is composed of motor, motor base, coupler,intake ... bubbles, fine bubbles, high densityl simple maintainance,lower power consumptionl little noise,long life spanl no need air ...