Silver T21-4 Adapter available range (For sodastream):
Home Brew Carbonation Gas Line Assembly, 5/16" PVC Gas Hose,W21.8 Co2 Regulator with Convert Adapter for Co2 Gas Bottle
Will I need add "T21-4 adapter" or not ?
■ The specification for silver soda adapter is W21.4 convert to T21-4.With the silver soda adapter's help, the regulator beer line could connect both Co2 tank and Sodastream(who has T21-4 thread port).■ If you only need to charger the gas through Co2 tank, then you needn't to use silver T21-4 adapter.
Co2 Regulator :
● Type: CGA 320/ W21.8● Feature : With Safety Pressure Relief Valve● Advantages: Set up the PSI you need◎ 0-60 PSI gauge: Displays pressure transferred to your keg◎ 0-3000 PSI gauge: Displays the amount of co2 pressure left in CO2 cylinder
5/16" Gas Line Assembly:
★ Carbonate anything. Making beer, water, tea, or any other beverage.★ Easy cleaning by removing the MFL gas disconnect and running water through the Tubing.★ Widely Used, Can Used for Cornelius Kegs,Pepsi Keg, Ball Lock Keg work with All Standard Regulators . Dispense like a Pro.