Carbonation Stone Adapter will fit the Carbonation stone 15 cm x 1/4" thread. This stainless stell fitting has a 1/4 Inch NPT female threaded rod through the 1.5 Inch Tri-Clover ferrule. With this adapter you can attach your carbonation stone inside your fermenter/tank so you can apply CO2 or Oxygen.
The end of the adaper will fit a Duotight 3/8"
