For SODASTREAM-Compatible TR21-4 Adapter Converts to CGA320 and W21.8-14 Thread Formats Enabling Use of Standard Cylinders (A)
GLOBALHUT For gas Cylinder Adapter Designed for For SODASTREAM Systems Converts TR21-4 Thread to CGA320 and W21.8-14 Standard for Seamless Tank Use (A)
For SODASTREAM-Compatible Adapter Converts TR21-4 Cylinder Threads to CGA320 and W21.8-14 Specifications for Wider Availability (A)
EffiFish CGA320 and W21.8-14 Thread Adapter for For SODASTREAM Machines Allows Use of Standard Cylinders with TR21-4 Equipped Carbonators (A)
ASA Inflation Component for For SODA Carbonation and Gas Transfer with Release Valve and G1/2 TR21 CGA320 Threading
Opatiny Tank Cylinder Direct Adapter for CGA320 to TR21-4 with 60in Stainless Steel Hose, Pressure Gauge and Air Release Valve, for Soda Machine Models