3/4" Air Compressor Pressure Regulator with Gauge Inline Industrial Quality | eBay
1/2" Air Compressor Pressure Regulator with Gauge and Wall Mounting Br – compressor-source
Amazon.com: Beduan 1/2"NPT Air Pressure Regulator for Compressed Air System with Gauge,Bracket(MIDI) : Industrial & Scientific
ATD 7844 Standard 1/2 Inch NPT Air Regulator With Gauge 100 SCFM | ToolDiscounter
Amazon.com: Hromee 1/2 Inch Compressed Filter Regulator Combo, Air Compressor Water Oil Trap Separator with Pressure Gauge, Semi-Auto Drain and Bracket : Industrial & Scientific
Primefit 1/4 in. NPT Mini Air Regulator with Steel-Protected Gauge R1401G - The Home Depot
SMC 1/2 AIR REGULATOR W/GAUGE AR40-N04E-Z – SWING TECHNOLOGY LLC