This is a 3/8" brass female quick connector with 3/8" female threads. Works with most water inlets on truck mounts.
This 3/8" male quick coupler is most commonly used on water inlets and water softening systems.
Bulkhead Connection 1/4" FP Brass 1 1/2" Long
Plastic cap for the top of the water softener tank for the Prochem water softener system.
Pipe 13/16 X 27