Marine Metal Products Quiet Bubbles Air Pump turns any bucket, cooler or ice chest into a portable live well. With up to 40 hours operation on just 2 "D" batteries, this is the portable, affordable Pump to keep live bait alive and fresh. Aerates up to 8 gallons. Impact water resistant case with neoprene seals and rubber booted switch. Beryllium copper battery contacts for longer batter life. Weighted air stone with 24" of silicone air line tubing enclosed in pump. Large adjustable stainless steel clip for attaching to any bucket. Dry Box design is designed to keep pump dry while in use. Each pump individually tank tested to assure highest quality.