Supreme (Danner) ASP04240 AP-40 Aquarium Air Pump, 40-watt Supreme Aquarium Air Pump Features Energy-Efficient Motor, It Is Easy To Use And Quiet Operation Also Has High Volume With Steady Air Flow, No Lubrication Necessary, Single Outlet Discharge And Air Diffuser Included Designed for ponds up to 5000-gallons, maximum water depth is 10-feet Features 40-Watts Power, 0.5 Ampere And 5/8-Inch Inner Diameter Hose Size Usage Measures 11-Inch Length By 6-1/2-Inch Width By 7-Inch Height