1200 gph waterfall pump for high volume waterfall applications. Water cooled - no oil. Ceramic mechanical seal. Has a 1 mnpt discharge. Use in ponds and water gardens, streams, aeration. Waterfall pumps further benefit fish and plant life by oxygenating water. Ideal for powering large biological filters, must be submerged. Use in ponds & water gardens, streams, aeration.Size is 1200 Gallon. Dimensions are 7 X 7 X 11.375 UPC Code = 029753610007