Make sure this fits by entering your model number. UL Certified & WATER FLOW CONTROL -- Our water pump meet UL 1081standard. An Adjustable Knob to control the water flow rate, so you can get just the amount of water pressure you want. Maximum flow rate: 550GPH (2000L/H). STRONG POWER & HIGH LIFT -- Max Lift Height: 7.2ft. Model number is SML-630. 30W high efficiency motor for energy saving. Lift height is a max height the water goes up, after connecting the water pipe to the nozzle (Make sure the joint sealed securely and tightly).