Inline regulators suitable for Air, Water, Oil & Gas, Dual Scale PSI/kPa, Ambient -50F to 160F, Accuracy: 3-2-3% ,Air inlet: 1/4" NPT ；Air outlet: 1/4" NPT.

Please note that this is not an on/off valve, only for air pressure adjustment

Size: 1/4" NPT ; Material: Brass,Metaled housing gauge.
Suitable for all 1/4 inch air tools and air compressor.
Easy thumbscrew adjustment valve control & more easier and quicker to connect air tools.
Provides fine air flow control for spray guns and air tools.
High-quality in-line air flow regulator.