METAL AERATOR

Aerates up to 7-1/2 gallons. Pumps 7/8 liter. of air/minute. Booted waterproof switch. Runs. quietly up to 33 hours on 2 alkaline 'D' cell. batteries. Adjustable stainless steel clip and. fasteners. Individually tank tested. Weighted. airstone. Beryllium copper battery contacts. Diaphragm pump. Fresh or salt water.