Ideal for use in waterfalls up to 5' in height, this smartpond® ETL listed powerful pump features an anti-clog technology that allows debris to flow straight through the pump with no clogging. An included pump barrier bag serves as an extra measure of protection and to simplify maintenance. It is encapsulated in epoxy 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 and oil-free design makes it safe for plants and fish. This product is backed by a 3-year limited warranty.