DOC Skimmer 9010 Recommended for aquariums up to 1,000 litres (264 USgal.) of salt water. Dimensions: L125 x W113 x H418 mm (L4.9 x W4.4 x H16.8 in.) 230 V / 50 Hz (115 V / 60 Hz) 21 W, Water throughput: 1,200 l/h (317 USgal./h) Air capacity: 650 l/h (171 USgal./h) Skimmer cup volume: .7 l (.18 USgal.). Equipped with the accessories for internal and aquarium cabinet operation.