Vertical Pressure-Reduced Regulator-Color Precise CO2 Pressure Regulator Vertical Pressure Reduced Regulator - Face Up Pressure Reduced Regulator - Face Up Pressure Reduced CO2 Pressure Regulator - Face Up Pressure Reduced Regulator - Face-Side Aluminum CO2 Flow Regulator - Face Up CO2 Flow Regulator (with one pressure meter) - Face-Up CO2 Flow Regulator (without pressure meter) - Face-Up Pressure Reduced CO2 Pressure Regulator - Face-Side Pressure Reduced Regulator Vertical Pressure Reduced Regulator(Disposable cylinder) CO2 Flow Regulator