TUNZE® Skimmer Kit 15 - aquarium cabinet filter which ensures direct removal of detritus and dissolved organics from the aquarium water circuit by means of DOC Skimmer 9410 fitted with a post-filter. It has been designed specifically for reef tanks from 200 to 500 litres (50 to 135 USgal.), and require little preparation, such as fitting the inlet and outlet connections. Their dimensions permit easy integration in standard furniture or in special designs.