Infinity submersible pumps offer superior quality at an affordable price. Designed to operate reliably in the harsh environment of nutrient salt laden water. These pumps will give you years of hassle free service with little to no maintenance. No matter what your needs with 11 different sizes to choose from we have the perfect pump for your system. Xtreme Water pump models 75 120 160 and 220 come equipped with a 1/2in. outlet. Models 270 320 400 530 660 800 and 925 are packaged with both a 1/2in. and 3/4in. outlet. 2 year warranty.