Features: Completely submersible motor. Low noise, safe and reliable. Suction cups to fit any aquariums. Long lasting wearproof ceramic shaft. Suitable for fresh and sea water appliances. Specification: Model: CN-B1800 Watt: 25W H.Max: 2m F.Max: 1800L/H Voltage: 110-120/220-240V Frequency: 50/60Hz