Recommended for aquariums up to 1,500 litres (400 USgal.) of salt water. Immersion depth from 100 to 200 mm (3.9 to 7.9 in.) without setting. Dimensions: L 350 x W 300 x H 440 mm (L 13.8 x W 11.8 x H 17.3 in.). 230 V / 50 Hz, 15 W, water flow rate: 1,100 l/h (290.6 US gal./h). Air capacity: 850 l/h (224.5 US gal./h); skimmer cup volume: 2 l (.52 (USgal.).