Ironton Fountain Pump - Fits 1/2in. Tubing, 90 GPH, 3-Ft. Max. Lift &#160;Great for tabletop fountains and other small fountains &#160;Comes with a built-in variable flow control valve to adjust water flow Designed to run quietly and continuously without interruption Connects to 1/2in. tubing UL-listed for indoor and outdoor use