With this splitter you can easily connect up to two or more CO2 diffusers from a single CO2 cylinder. The fine adjusting valve is used for adjust the amount of carbon dioxide finely this valve with high adjustment fineness there is no air leakage under the high pressure system. 4 kinds channel optional can be used in multiple fish tanks at the same time. Keeping your aquatic plants healthy more convenient and save energy.Features:DURABLE AND EASY TO INSTALL: Be made of aluminum alloy and copper material strong and sturdy. Also easy to install and disassemble.FOR MULTIPLE FISH TANKS: With this splitter you can easily connect up to two or more CO2 diffusers from a single CO2 cylinder. Each outlet is equipped with an individual needle valve allowing precise regulation of CO2 flow adjustable to every 3 seconds 1 bubble accurately.G1/8 INTERFACE OR 4*6MM AIR PIPE: FitsforG1/8interface(needtounscrewthenut) orconnecttothe6*4mm(innerdiameter4mm outerdiameter6mm)airpipe thenutisforfixingtheairpipepreventtheairpipefromcollapsing.4 TYPE CHANNELS OPTIONAL: There are 4 types channels optional can be used in multiple fish tanks to meet all your needs.WORRY FREE WARRANTY: Any problem please contact our store without hesitation. Honor to serve youSpecification:Name: CO2 splitter regulator distributor needleMain material: Aluminum alloy and copperMain color: SilverOptional type: 2 channels/ 3 channels/ 4 channels/ 6 channelsPackage Information:Package size: 13.5*13.4*5.9cmPackage weight: 172g; 209g; 262g; 347g;Gift Box PackagingPackage List:1* CO2 splitter regulator distributor needle Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.