High Pressure 1/2"npt Female Stainless Steel Single Stage Helium Gas Pressure Regulator - Pressure Regulators - AliExpress
Fluid Regulator Low Pressure
85-493 |Binks Air Control Assembly for 183G and 183S ASME Code Tanks (2 Low Fluid Pressure Regulators and Agitator)
LE LEMATEC Air Compressor Regulator Valve with Digital Pressure Gauge, for Precise Control in Air/Pneumatic Tool, Spray Painting, Tire Inflation & More, ¼ NPT, Up to 160 PSI, LED Display (DAR01B): Amazon.com:
Diaphragm low pressure regulator for very low outlet pressure - S20-0.1
Series MPR | Miniature Pressure Regulator is compact, low cost, and high performing pressure regulation of compressed air or air/water. | Dwyer Instruments
Husky 3/8 in. High Performance Air Regulator HDA72200 - The Home Depot
Pressure Regulators for Dry Gasses with Dial Gauge Port
Amazon.com: in-Line Low Pressure Air Regulator with Gauge and Moisture Trap Filter by NO-NAME Brand
Cobra Lower Pressure Regulators
Amazon.com: New Mini Air Pressure Regulator 1/4" w/ Free Gauge : Industrial & Scientific