This product is a high-performance external filter with a new design and beautiful appearance; The filter features a multi-layer filtration function and a built-in UV lamp; The filter's inputs and outputs include a built-in shut-off valve, allowing the water flow to be stopped and the filter to be disconnected at any time, facilitating disassembly and cleaning; The integrated pump consumes less power, operates quietly, and saves energy; The scientific design of the four gripping buttons and the sealing device ensures the tightness of the top cover and the filter barrel; The bottom part of the filter uses rubber feet to prevent slipping and absorb shocks. EFU-10 volt AC 230/115 V frequency 50/60 Hz power 16 W UV light 5 watts QMAX 300 L/h AQM capacity 100-300 L filter capacity 22.3X22.3X30.4 cm EFU-15 volt AC 230/115 V frequency 50/60 Hz power 18 W UV light 5 watts QMAX 350 L/h AQM capacity 150-350 L filter capacity 22.3X22.3X35.4 cm EFU-20 volt AC 230/115 V frequency 50/60 Hz power 20 W UV light 5 watts QMAX 400 L/h AQM capacity 200-400 liters filter capacity 22.3X22.3X40.4 cm EFU-25 volts AC 230/115 V frequency 50/60 Hz power 32 watts UV light 5 watts QMAX 750 liters/hour AQM capacity 250-450 liters filter capacity 29X29X38.7 cm EFU-35 volts AC 230/115 V frequency 50/60 Hz power 34 watts UV light 5 watts QMAX 950 liters/hour AQM capacity 350-550 liters filter capacity 29X29X44.5 cm EFU-45 volts AC 230/115 V frequency 50/60 Hz power 36 watts UV light 5 watts QMAX 1100 liters/hour AQM capacity 450-650 liters filter capacity 29X29X50.3 cm