1 sms 122 co2 automatic shutoff made by milwaukee
1 JBJ CO2 Regulator with needle valve, solenoid valve, and bubble counter . Dual guage regulator displays output pressure and bottle pressure. Standard American CO2 bottle connection. made by JBJ
Aqua Medic Membrane Diffuser
'Double' passive reactor w/ 2 membrane tubes for up to 50g.