Prevost PVOIRC061202 3/8” Female Thread (FNPT) 1/4" Body Style Regular Quick Coupler has an acetal resin-coated body made from non-scratching, heavy-duty, composite material. Push button creates quick coupling that safely vents the airline. Compatible with Prevost Industrial Interchange Style air plugs. Specifications: Type: Coupler Body Diameter: 1/4" Thread Size: 3/8” Thread Type: NPT Thread Style: Female Pressure: 174 PSI Air flow at 100 PSI: DP 10 PSI – 33 SCFM Temperature: 4-158°F Interchange Type: Industrial Material: Composite Color: Blue Body, Silver Button WARNING: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.