Absolute Cleantech filter gives output of 2100L/hr consuming 52W of power. It has a capacity of 1000L. One push start button. Quiet and reliable. Low energy consumption. Efficient clean. Easy to use and maintain. Suitable for freshwater and salt water. one of the best cleaninng filter in the market. it has a safety feature which stops UV sterilizer if the canister tilts more than 30 degree angle. comes with 3 types of filtration media. mechanical, biological and chemical filtration media are used to keep excellent water quality.