Check the listing for details. Comline DOC 9001 Protein Skimmer - Tunze. Condition: New. Listed at 134.99 USD. Simple, quiet and effective - these are the current demands towards aquarium components. That's precisely what distinguishes the small Comline DOC Skimmer 9001 - a true „plug and play“ skimmer for small seawater aquariums with 20 to 140 liters (5.3 to 37 USgal.). There's no complicated setting or regular adjustment required for the operation. A simple installation into a corner of the aquarium is sufficient and it will work autonomously. The Comline® DOC Skimmer 9001 is designed for use in seawater from 20 to 140 liters (5.3 to 37 USgal.) Immersion depth: approx. 135mm to 155mm (5.3 to 6.1 in.) Skimmer cup volume: 0.2L (.053 USgal.) Air capacity: approx. 100l/h (26 USgal./h), 2.5W, 230V/50Hz (115V/60Hz) Dimensions: L 110 x W 63 x H 215mm (L 4.3 x W 2.5 x H 8.5 in.) Includes Magnet Holder for glass thickness of up to 10mm (3/8“) Listing and template services provided by inkFrog