Hansen HA4A/HA4W Refrigerant Pressure Regulators, Reduced Port Plug: Full Port, Refrigerant Type: All Other Refrigerants, Port Size: 1-1/4" (32mm), Range: Range B, 30 to 300 psig (2 to 21 bar g)/Range B, 30 to 300 psig (2 to 21 bar g)