KW Zone CO2 Cylinder Filter (220-240V/50Hz) - Quick Start - Automatic start, quick start - Integrated CO2 mixing system - Built-in heating chamber - Biological, mechanical, and chemical filtration - Detachable valve tap and power - Integrated CO2 merging system (CO2 cylinder not included) Warning: Do not disconnect the cylinder filter before disconnecting the CO2 pipes, otherwise water will overflow from the CO2 inlet pipe. Turn off the CO2 cylinder when not needed. - Built-in heating chamber: Use a 22-24 mm heater with CE/3C standard. Easy to operate. - Touch switch, easy to operate. - Power: 14 watts - Output: 1200 liters/hour - Suitable tank: 120 liters/32 gallons