Heavy Duty Stainless Carbonation Cap: High quality stainless steel carbonation cap, well made for rust resistance and corrosion-proof. Would last for a long time in good condition. A must have equipment for homebrew Carbonation. For PCO1881/ 1 -1/8-8un PET Bottles, like most soft drink PET bottles Great for Homebrew Carbonation/ Cleaning: This ball lock carbonation cap is most used for homemade beverage carbonation, and meanwhile it is great for cleaning beer/ soda/ water/ juice lines. Easy to set up Easily Forced Carbonation Drinks: Ideal for forced carbonation drinks in bottles. Fit for most soft drink PET bottles. Just simply attach this cap with a PET bottle and a ball-lock gas disconnect to send CO2 into the bottle for beverage carbonation. Your homemade drinks will be right ready for drinkin Food Safe Gasket/ No Leaks: We use premium material for the gaskets and o-rings. High resilient food safe rubber gaskets to seal against the threads and give you no leak connections! We updated our package with more o-rings and more gaskets for replacement No Regrets Purchase: Stainless steel made carbonation cap. If any leaks, please change the O-ring or Gasket with the extra ones. We are committed to offering you high-quality products as well as superior service! Please let us know if there are any problems with this Stainless Steel Carbonation Cap, we will try our best to serve you. Provide technical support. ASIN B091BZYXKX Item Weight 6.7 ounces Manufacturer FERRODAY Package Dimensions 5.63 x 3.62 x 1.3 inches