Tunze Hydrofoamer 9410 Silence Pump. Pump especially developed for Protein Skimmer 9410, which can also be used as a standard needle wheel pump on any conventional skimmer of this size. Technical data: * Mains connection: 230 V/50 Hz (115 V/60 Hz). * Cable: 1.5 m (59 in.) * Maximum air capacity: 600 l/h (158 USgal./h) at a water flow rate of 900 l/h (237 USgal./h). * Energy consumption: 11 W (15 W) at an air capacity of 600 l/h (158 USgal./h). * Motor winding with protective thermostat. * Pump outlet with ¾ in. BSP thread (NPT). * Pump housing with strainer and silencer. * Pump drive: Rotor with high-performance one-part magnet, with all-ceramic bearing. * Equipped with air regulation and silencer.