TotalPond 400 GPH Low Water Shut-Off Fountain Pump with 2 Lights Ideal for medium to large sized fountains 4-6 ft. ideal pumping height; 8.7 ft. max pumping height with adjustable flow control Patented Low Water Shut-Off feature Suction cups for mounting; built-in adjustable flow control Compatible with 1/2 in. ID tubing Shuts off when water is too low 7-Feet max lift 16-Feet cord Fits 3/8-Inch or-1/2-Inch tubing Ideal for small and medium fountains