Reasonable quality with good price. water submersible pump (9 w) for coolers, fountain and aquariums. features: compact size easy to install rust proof multiple usage easy to clean and maintain low electric consumption great quality assured technical parameter: voltage : 220-240v/50 hz power : 9w h-max : 0.7 m (2.5 foot approx.) output : 400l/h power cord length : 115 cm output pipe size : 1/2 inch caution & maintenance: do not ever run the pump dry do not lift the pump by power cord operate the pump completely submerged for proper cooling dust and dirt particle can reduce the life of the pump. use small brush or stream of water to remove debris. regular maintenance will add to efficiency and life of the pump.