Reef Octopus has been busy working on ways to advance their already popular line of Diablo protein skimmers which until now has only powered by the Sicce PSK pumps. These NEW Diablo controllable Direct Current "DC" pinwheel skimmer pumps are the latest in protein skimmer technology and allows for refined control, enhanced performance and efficiency. The Diablo "DC" Skimmers will come in 6 (8-10" body) models including 3 standard in-sump skimmers as well as 3 recirculating external skimmers. The air draw readings of these new DC pinwheel skimmer pumps have reported to draw air numbers as high as 84 scfh/2400L/H at 53watts. DCS-200INT *NEW Technology* Reef Octopus Diablo 200 Internal skimmer with DC controllable pump - High performance design - DC 5500s pump - Footprint 15.7" x 10.4" - 8" Diameter - 24" height - Rated for aquariums up to 300gallons.