This product is a multi-functional, multi-purpose water pump with low power consumption, low noise, balanced speed, reliable operation, long service life, easy to disassemble and clean, and easy to maintain. It suitable for aquarium fish tanks, garden fountains, flowing watercraft, water-cooled air-conditioning fans, mechanical equipment cooling 100% SUBMERSIBLE - With a bottom suction trainer, pumping water as low as 1.18in. A multi-functional Submersible pump for Add water Change water Circulating water Sucking fish manure COMPACT & POWERFUL - Our cooler submersible pumps are made from high-grade material designed to last for a long time. The FEDUS cooler submersible pumps provide smooth operation for water pumping purposes. TECHNICAL SPECIFICATION FEDUS 40-Watt Water Pump for Desert Air Cooler is a powerful and heavy-duty pump that can be used in a number of ways. VOLTAGE: 220-240AC/50 Hz POWER: 40W - 50Hz 1 Phase OUTPUT: 3200 L/H MAX: 2.6M (8.5 Feet Approx.) WEIGHT: 750 grams CLEANING To clean the pump, remove the back cover and the impeller Use a small brush or stream of water to remove any debris IF THE PUMP FAILS TO OPERATE, CHECK THE FOLLOWING Check the circuit breaker and try another outlet to ensure the pump is getting electrical power. Check the pump discharge and tubing for kinks and obstructions. Algae build-up can be flushed out with a garden hose. Check the inlet to ensure it is not clogged with debris. Remove the pump inlet to access the impeller area. Turn the rotor to ensure it is not broken or jammed. Monthly maintenance will add to your pump's life