Ideal for use in waterfalls up to 15 feet in height, this ETL listed powerful pump is 30% more efficient than the average pump and features anti-clog technology that allows debris to flow straight through the pump with no clogging. A free pump barrier bag is thrown in as an extra measure of protection and to simplify maintenance. It is epoxy encapsulated for full submersion and maximum durability. This superior pump offers whisper quiet operation and easy maintenance allowing quick and easy access to all moving parts. Its eco-friendly, oil free design makes it safe for plants and fish. 3 year warranty. Mates with 1-1/2 or, 2 inch ID tubing. Maximum pumping height of 23 feet. 230 watts/2.5 amps. 16 ft. cord. Ideal for waterfalls up to 15 ft. in height 21 ft. pumping height 5000 gallons per hour 16 ft. cord length 2 in. threaded outlet 230 watts 2.5 amps ETL listed pump Fits 1-1/2 in. and 2 in. ID tubing