CO2 Cylinder Refill Adapter Soda Connector W/W21.8‑14 Fit For Black FI
This adapter one end is W21.8‑14 thread, another end is TR21‑4 quick connect. Small size, easy to carry, has beautiful appearance, good CO2 refill adapter. Item Type: CO2 Refill Adapter. 1 x CO2 Refill Adapter.