[Efficient Utilization of CO2]: The four-way gas manifold can easily run 4 pipelines from one CO2 source to split the gas supply while easily achieving more efficient CO2 utilization. Both the inlet and outlet are 5/16inch barbed fittings that fit most home brewing gas lines. [ to commercial standards]: Machined from a single piece of solid aluminum, high-strength metal, cast brass and stainless steel, each pole is plated with rust- chrome. [ cut-off & built-in check valve]: Each pipeline has its own built-in check valve, all are checked after assembly, no faults, no backflow. Each line has its own shutoff valve for control, making it easy to control multiple lines using this four-port manifold. [Pre-Checked and Easy to Install]: Water tested after assembly to no air leakage. Each unit is internally cleaned before assembly for better air distribution. . [ WITH NO Sorry]: perfect for homebrewers, bar owners and breweries, the 4-way gas manifold easily separates gas for beverage dispensing and forced carbonation. Pre-made mounting holes on the dispenser allow you to easily secure the manifold to a wall or keg in minutes, Manufacturer: PokFhgur