The Milton Female Body Coupler 1/4" FNPT is designed for use in air hose applications, featuring a 1/4" female National Pipe Thread (FNPT) connection. This P-Style coupler is part of the Tru-flate/Parker interchange series and is constructed from heavy-duty steel for enhanced durability. Its design ensures a secure and leak-free connection, making it ideal for industrial and automotive environments. Pair this coupler with compatible P-style plugs, which are made from case-hardened steel for added strength.