Home / 8 Best Hydroponic Co2 Regulators For a Perfect Grow Room / ProLabs CO2 Regulator w Solenoid Valve. 4000 PSI Gauge, 0.5-15 SCFH.

ProLabs CO2 Regulator w Solenoid Valve. 4000 PSI Gauge, 0.5-15 SCFH.

ProLabs CO2 Regulator w Solenoid Valve. 4000 PSI Gauge, 0.5-15 SCFH.