The Hydor ARIO Color Blue Aerator is a combination in tank light and aerator. The unique design fills the tank with blue bubbles.Features:Manufactured following the highest international safety standards, ARIO Color is easy to install and needs simple maintenance.ALL INCLUDED: ARIO Color is supplied with all the components necessary for its functioning: air intake tube, air regulation, suction cups and connectors to position and hide the cable.EASY TO USE: once all the components are assembled, ARIO Color can be positioned in the aquarium gravel and connected to the electrical supply. No other worries. No power transformer needed.Also available in red and green.