BSP 1/2" Air Filter Regulator, 1.0Mpa Air Pressure Regulator, 5-60℃ Adjustable Pressure Control Knob Air Compressor Regulator with Mount Connection - Amazon.com
3/8 in. NPT(F) Filter /Regulator/Lubricator
3/4" Air Compressor Pressure Regulator with Gauge and Wall Mounting Br – compressor-source