Atman Ph2000 Skimmer Pump with Needle Wheel Impeller Sca-302 Atman PH2000 Skimmer Pump With needle wheel impeller produce micro bubble AC 110-120V 60Hz 41 Watt Designed for USA and Canada use only 2400 LPH or 700 GPH (water flow is different when used as skimmer pump) Ideal Replacement pump for most skimmers available in the market now Replacement pump for SC Aquariums SCA-302 180 gallon skimmer