Soda Water Air Connect Co2 Cylinder Tank (TR21-4 Thread Type) Refill Adaptor With Hose Gauge Kit W21.8-14 G3/4 CGA320 Connector

Product information:

All the hose with spring protecter, more thoughtful protection.

Heavy duty cylinder connector.
The product fills CO2 from large cylinders into smaller soda cylinders.
Stainless steel filling adapter QD.
24 "(60cm) / 37" (93cm) high pressure hose with reinforced spring.
CO2 tank circulating valve connector thread w21.8-14 (din477) or CGA320 or G3/4 can be used.
CGA320 connector CO2 storage tank is common in the United States, Canada, Brazil and other countries.
W21.8-14 (DIN 477) connector is compatible with JIS m22-14, which is commonly used in Kor, JP, UK, Germany, France, Poland, Norway, Switzerland, Russia, Ukraine, Czech Republic, Singapore and other countries.
This item doesn't fit for Australia or New Zealand soda Cylinder.

Thread type: TR21-4 and CGA320/W21.8-14
Hose length: 24inch or 37inch

Instructions for use:
Screw the adapter onto the larger CO2 cylinder.
The empty soda cylinder is screwed into the fill adapter.
Connect the quick plug.
Open the valve of the larger cylinder.
Wait for the cylinder to be fully filled, about 30 seconds.
Close the valve of the larger cylinder.
Open the bleeder valve of the filling adapter to remove residual gas.
Screw off the carbon dioxide cylinder and complete the operation.