Stylish Round Shapehygger air pumps provide powerful, dependable airflow. This air pump has a compact design, comes with a unique round shape, and it is a great option for desktop aquariums.Metal Outlet Aquarium Aerator 3W:Max air pressure:0.02Mpa, situable for fish tank height up to 2M
Max air fow:50GPH, situable for fish tank 10-100gallon
Max air pressure:0.03Mpa, situable for fish tank height up to 3M
Max air fow:140GPH, situable for fish tank 20-300gallonReplaceable Air Filter CottonAir filter cotton is used to filter impurities in the air and needs to be replaced after a period of use. makes your air pump work in a good condition for longer time.Rubber Shock MountsThe hygger air pump comes with a patented dome shape, suspended motor and sound-dampening chambers for quiet operation. Rubber feet eliminate sound-producing vibrations.