1. With this splitter, you can connect up to three CO2 diffusers / supplies from a single CO2 cylinder.2. Each outlet is equipped with an individual needle valve that allows precise regulation of the CO2 flow.3. Easy installation, no modification is required to your CO2 regulator.4. For use in CO2 tank. Good for aquarium plants.5. There is a sealing ring on the interface to improve the sealing performance and not leak CO2.6. For 4mm / 6mm air hose tubeStyle:One for four / One for twoColour:SilverMaterial:metalPackage Contents:1 * CO2 solenoid valve separatorOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.