This valve will not accept the larger S30 co2 cylinders.
S30 Bulb Holder For 8g CO2 Pin Valve - For Homebrew Barrels / Beer Kegs
Bulb Holder for S30 Pin Valve co2 injecting.
Yellow Rubber Seal For S30 Safety Valve - For Hambleton Bard Barrel Cap
4" Cap with Pin Valve for 8g CO2 Cartridge for King Keg Barrel
Pressure Barrel 25L with 4” Cap Complete with Pin Valve for Homebrew Beer Making