About the PTC Straight Female Connector 5/16" OD - 3/8" NPT Female

The PTC Straight Female Connector features a 3/8 inch female threaded end and a push to fit that connects to 5/16 inch hose (the perfect size for standard water fed tubing). The body is nickel-plated brass for longevity. The base with the threads is hexagonal so you can use an allen wrench for tightening.