What's in the box: 7/16" Male to 3/8" Female High Pressure Adapter
Got your brand new regulator home and find that your old trusted 3/8" Console or Pressure Gauge Hose won't fit into the HP Port of your new First-Stage Regulator. This handy High Pressure Adapter solves that problem, allowing you to mount your 3/8" Hose to your Regulator.
Adapter converts HP Port from 7/16" to a 3/8" Port to accept Older-Submersible Pressure Gauge (SPG) Hoses. Adapter is made of Corrosion Resistant Marine Grade Chrome Plated Brass for Strength Long Life and Durability. Adapter comes with a Standard HP Hose O-Ring so it's ready for installation. Adapter makes a Great Save-a-Dive Kit Item.