Compact and reliable, the Marine Metal Baby Bubbles Portable Air Pump is the go-to for small bait buckets, camping trips, or aquarium backup. Quiet and efficient. Runs for 20 hours. Aerates up to 3 gallons of water Runs up to 20 hours on (2) AA batteries (not included) Includes 24" tubing and air stone Quiet operation for discreet use Adjustable stainless steel mounting clip Rubber-protected switch for durability Safe for freshwater and saltwater use