The Marine Metal Bubble Box is a portable, high-performance aerator designed to keep your bait lively and healthy. Featuring a powerful, quiet pump, it delivers optimal oxygenation for longer-lasting bait. Aerating up to 10 gallons, it runs for approximately 44 hours on 1 or 2 “D” batteries (batteries not included). The unit includes a weighted air stone and tubing inside a durable, impact-resistant case with a rubber-booted switch and beryllium copper battery contacts for extended battery life. Ideal as a backup aquarium pump, its perfect for both fresh and saltwater use, ensuring a successful fishing trip every time.