["brand new and high quality Features:\nFully installed, direct to use and labor-saving.\nWell-sealed pipes, leak-proof, non-deformed, never loose.\nfor Specialized pressure guage for safe-area indication, pressure watching.\nAutomatic or manual decompression for safer usage and operation.\nMetal air flow adjustment vavle is preciser than normal plastic product.\nCheap, simple to create pure CO2 constantly by chemical reactions. Advantages:\nGreen transmission channel is made of PC material, solid, corrosion-resistant.\nAir flow adjuster is dismountable to clean, cooperate with filter, can avoid damage caused by false operation.\nSpecial transmission channel design can avoid aging(soft pipes are easy to age), and does well in leak-proof. Besides, you can clearly see the flow of liquid, watching chemical reactions at any for time.\nNot easy to accumulate liquid in the channel, make the most use of for raw material. 　\nNote:\nDon'for t open bottle directly when there's still on pressure, please wait for its automatic pressure release.\nPlease use food-grade citric acid and baking soda as the for raw material.\nFor more specific instructions and usage, please read our English user manual.\nThe initial set of safety vavle is 4kg/square meter, you can also adjust it manually. Specification:\nGreen Transmission Channel: PC (Material)\nPipe:PU Plastic\nAir Flow Adjustment Vavle: Integral Metal\nSize:as picture shown(approx) Connecting Pipe Lenght:160cm/6.24''(approx) Green Transmission Channel Size:15.5cm x 3.6cm x6.2cm/6.05'' x 1.4'' x 2.38''(approx) Pressure Guage Size:3.5cm x 2cm/1.37'' x 0.78''(approx) Air Flow Adjuster Size:3.2cm x 3cm/1.25'' x 1.17''(approx)\nColor:Green+White\nQuantity: 1 pc\nNote: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect  the actual color of the item. Thank you!"]