Description Marine Metal B11 Bubble Box Aerates up to 8 gallons. Precision motor runs – 44 hours on 2 alkaline D cell batteries, also runs on 1 battery. Pumps 1.4 STL / minute. Impact water resistant case with rubber booted switch. Beryllium copper battery contacts for longer battery life. Weighted air stone with 24″of silicone air line tubing enclosed in pump.
