7/8 in. POL Propane End Fitting
Connects Tank to Regulator or to Tee Fitting for Pressure Gauge
The POL (put on left) end of this fitting screws into the female threads on you propane tank on/off valve.
The other end, with 1/4" male NPT threads screws into your regulator or, preferably, into a 1/4" tee fitting for the regulator and a pressure gauge.
Excess flow style POL
7/8" POL x 1/4" male NPT