AQUAEL Sterilizer UV AS-3 W is a compact UV steriliser which is simply inserted into the pressure tubing of an external filter. Installation is simple and quick. The small device does not require much maintenance. Algae spores, germs, bacteria, pathogens etc. are effectively removed. The aquarium water becomes clean and clear.AQUAEL Sterilizer UV AS-3 W+ universally applicable UV clarifier for all units with 12 mm hose connection+ unit is simply integrated into the pressure line+ for external filters, pumps etc.+ UV-C radiation removes algae spores, pathogens, bacteria etc.+ smallest dimensions+ operation with safety extra-low voltagetechnical data AQUAEL Sterilizer UV AS-3 WUV-C Sterilizer for aquariums up to approx. 120 LPower: 3 Woperation with 10 V safety extra-low voltageDimensions: 9 x 4.8 x 11.5 cmConnections for hose 12/16 mm