Model GT-1300,GT-2300,GT-3300,GT-5300,GT-6300 VOLT 220-240V,50Hz Power(Watt) 16-18W,18-22W,26-30W,32-36W,35-38W LIFT 0.8m,1.0m,1.3m,1.5m,1.8m Max.flow(L/H) 900L/H,1200L/H,1600L/H,1800L/H,2300L/H Aquarium Size 40-60cm,60-80cm,80-90cm,90-100cm,100-110cm