Tunze Comline® DOC Skimmer 9012

Recommended, depending on tank load, from 200 to 1,200 liters (53 to 317 USgal.) of sea water.
Immersion depth: approx. 255 to 285 mm (10 to 11")
Skimmer cup volume: 0.7 liters (0.18 USgal.)
Air capacity: approx. 400 l/h (105 USgal./h)
Energy consumption: 13 W, 230V/50Hz (115V/60Hz) 
Dimensions (L x W x H): 140 x 110 x 415 mm  (5.5 x 4.3 x 16.3 in.)
Silence Magnet Holder up to a glass thickness of 15 mm (1/2").