The Wave Point LED air stone is perfect if you are look for a great night light for nocturnal viewing or if you just want to jazz up your aquarium and ornaments. The light fully illuminates the air stone and uses low voltage LED lamps and a low voltage transformer. The Wave Point LED air stones comes in four different colours (White, Blue, Blue & White or Colour changing. They also come in two different sizes. (6\" or 12\") Included: 1x LED airstone Approx;1m of clear silicon airline Suction cups. You Will Need: To operate this product you will need an air pump with an output of around 200 litres per hour.