Check the listing for details. 1/2" Air Compressor Regulator & Filter In Line Combo With Gauge Compressed Air. Condition: New. Listed at 59.95 USD. This 1/2" Air Compressor Regulator & Filter In Line Combo with Gauge is a must-have for anyone who wants to regulate their air pressure for their tool life. It has a maximum pressure of 250 PSI and is designed with an inlet/outlet size of 1/2" female NPT (measuring about 3/4" in diameter) and a port diameter of 1/2". The FR724N model is unbranded/generic and comes with features that make it perfect for compressed air treatment. Please note that this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm, and users should take necessary precautions. This air pressure regulator and filter combo is categorized under Hydraulics, Pneumatics, Pumps & Plumbing and Business & Industrial on eBay. Specifications:• Inlet / Outlet Size: 1/2" Female NPT (measures about 3/4" in diameter)• Width: 3" x 3" Square, the gauge will add about 1-1/2" more on the one side• Total Height: 11"