PFE Series is a Push-to-connect fitting to a female pipe thread (FNPT) in a Fixed Elbow configuration. Also, push-to-connect sizes range from 1/4" or 3/8" with female pipe threads of 3/8" or 1/4". This fitting is available in gray Acetal, PVDF, and white Polypropylene. It is suitable for liquids and inert gases.