Brand new 3/8" compressed air pressure regulator & filter combination with gauge and free wall mounting bracket. This regulator and filter combo which has a max pressure of 175 PSI and will regulate your air pressure anywhere from 7 PSI up to 150 PSI. The adjustable turn knob can be pulled out to unlock and adjust the pressure and once it is set you can press in on the knob and it will lock in place. This is a directional flow regulator & filter and it is marked IN on the inlet side and OUT on the outlet side showing what way the air needs to flow. The filter attached is a 5 micron filter which will remove any water droplets from your air line. The filter element is surrounded by a metal bowl with a easy turn knob drain on the bottom. This must be mounted vertical so the drain is pointing down. There are 3/8" female NPT threads on each side for your main compressor line coming in and going out, and a 1/4" female thread on the outer side for your gauge as shown in the pictures.