DIY Co2 Plastic Bottle Cap
Plastic Bottle Cap x 1
This bottle cap is very well suitable to be DIY Co2 system’s accessory that the size fits common PET plastic bottle. The composition is used as special high quality plastic for issuing great resistibility of rub, so it can be used for a long time. As for the another advantage of specific, we attached the great quality plastic O ring inside of the cap to prevent missing the Co2.