The Ultra Reef TYPHOON skimmers are a range of high-performance internal skimmers designed for managing large aquariums. They are powered by high-capacity pumps with electronic controllers to adjust the operating speed and regulate the skimmer's extraction capacity. Ultra Reef Typhoon UKD 200 Skimmer Supported Aquarium Volume: 400–1200 L (110–320 US gal)Optimal Aquarium Volume: 500–700 L (130–180 US gal Air Processed: 300–1400 L/hPower Consumption: 10–36 WInstallation: Inside technical tank (sump)Recommended Water Level: 22 cm (8.7 inches)Base Footprint: 39 × 29 cm (15.4 × 11.5 inches)Height: 60 cm Pump: PSK SDC 2600+Type: DC24VPower Supply: 110/220V 50/60Hz Ultra Reef Typhoon UKD 250 Skimmer Supported Aquarium Volume: 500–2000 L (130–530 US gal)Optimal Aquarium Volume: 700–1000 L (180–260 US gal Air Processed: 500–2300 L/hPower Consumption: 16–58 WInstallation: Inside technical tank (sump)Recommended Water Level: 22 cm (8.7 inches)Base Footprint: 45 × 35 cm (17.7 × 13.8 inches)Height: 65 cm Pump: PSK SDC 4000+Type: DC24VPower Supply: 110/220V 50/60Hz