Check the listing for details. CLASSICA BUBBLE CURTAIN LED LIGHT 20 CM (8") 2.16 W AQUARIUM AIR DIFFUSER. Condition: New. Listed at 7.49 USD. Classica Bubble Curtain LED Classica Bubble Curtain LED. Submersible LED light with 7 light colours and multiple display modes; bubble curtain as well!!. Can be kept on one colour or put on a fast or slow colour change Ideal for fresh / tropical and salt water aquariums as well as reptile habitats. Underwater LED air curtain With Multiple Light Modes 7 Light Colours and 7 Lighting Modes Dynamic Bubble & Light Display Energy Saving, safe and non-toxic Can be used without the bubble feature if required Colour: Changing LED Strip Lighting is designed to fit underwater, although they can also be used in a wide range of other applications. Colours and frequency can be changed to suit your desired lighting effect. Notes, Hints & Tips: An air pump is required to pump the bubbles through the LED Bubble Curtain and is not included