This smartpond® ETL listed powerful pump is ideal for use in waterfalls up to 3 meters in height and features anti-clog technology that allows debris to flow straight through the pump without clogging. Includes a pump barrier bag as an extra measure of protection to simplify maintenance. It is encapsulated in epoxy for full submersion capabilities and maximum durability. This superior pump offers whisper quiet operation and easy maintenance, allowing for quick and easy access to all moving parts. Its eco-friendly, oil free design makes it safe for plants and fish. This product is backed by a 3-year limited warranty.