DescriptionSearching of CO2 bottle caps? Our CO2 bottle caps will be the best choice for you. Made of high grade ABS material, durable enough for your long-term use. Practical and portable design, ensures its popularity.Features- Color: Grey.- Material:ABS engineering plastic.- Size: About3.00X3.30X3.30cm/1.18X1.30X1.30inch.-Made of high-grade materials, safe and durable, you can use it with confidence.-These CO2 bottle caps are suitable for most kinds of carbon dioxide DIY reactor.-Easy to use. Just screw the bottle on the drink bottle. Easy and sealed without letting the air out easily.-For people who love DIY CO2 setup, the bottle caps are helper when they are doing the process of generating CO2.-Easy to set up, low cost and high grade materials, can be used for a long time.
