The Marine Metal A-2 110 Volt Air Bubbles Air Pump is designed to operate on standard household current at 110 Volts and can be used in a fish tank, bait bucket, or bait tank. It produces 99.5% saturation of dissolved oxygen, keeping your baits fresh and alive. This air pump has a rubber base-mount for quiet operation. For fresh and saltwater use up to 50 gallons, this is a complete and ready-to-use system. Each air bubbler undergoes meticulous tank testing, ensuring top-tier quality and performance. Includes tubing and weighted glass bead air stone.