You are getting an Aqua Culture 5 - 15 Gallon Single Outlet Aquarium Air Pump with Check Valve. Includes: (1) Aqua Culture 5 - 15 Gallon Single Outlet Aquarium Air Pump, and (1) check valve. >>> This powerful aquarium air pump is designed for 5-15 gallon aquarium and can accommodate up to three air-powered devices including bubble stones, action ornaments and under-gravel filters. Includes check valves which can help prevent the siphoning of aquarium water into air pump in the event of a power loss. The pump never needs lubricating and is rubber insulated for quiet performance. Pumps up to 1200cc per minute. Healthy fish love our Aqua Culture 5-15 Gallon / Single Outlet Aquarium Air Pump. Air pumps oxygenate the water in your aquarium to help your fish breathe. This powerful aquarium air pump is designed for 5-15 gallon tanks and can accommodate up to 3 air-powered devices including bubble stones, action ornaments, and under-gravel filters. The box also includes 1 check valve, which can help prevent the siphoning of aquarium water into the air pump in the event of a power loss. The pump never needs lubricating, is rubber insulated for quiet performance, and pumps up to 1200cc per minute. Features: >>> Single outlet electric air pump. >>> Keep the water in your tank flowing. >>> FOR 5-15 GALLON AQUARIUMS. Powerful aquarium air pump with single outlet for 5-15 gallon tanks. >>> Check valve included to prevent the siphoning of water into the pump in the event of a power outage. >>> Quiet, energy-efficient motor. Rubber insulated for quiet operation. >>> Pump never needs lubricating. >>> Air output up to 1200cc/minute. >>> UL listed. >>> Can be used with up to 3 air-powered devices. Works with bubble stones, action ornaments, and under-gravel filters. >>> Made by Aqua Culture. Item Number: WM1000. UPC Code: 681131111638. >>> 30 DAY GUARANTEE. Order now. Your purchase is backed by Amazon.com's 30 Day Guarantee.