Solidly constructed with non-corrosive components, ceramic mechanical seal and brass insert in the 1.25 discharge. The water cooled design insures safe and efficient operation without the fear of harm to ornamental fish or aquatic plants. Use submerged only, can be installed in line. One year warranty. Energy-efficient capacitor-start motor. High volume waterfall applications, ideal for powering large biological filters.Size is 138-187 Watts. Dimensions are 7.375 X 7.5 X 12.25 UPC Code = 029753620006