Regulator 2nd Stage Ball Swivel
Need to combat some hose pull?? Want more flexibility on your octo?? Running a full face mask, or a HUB system?? Then this swivel might be your ticket. It screws onto your reg hose between the hose and second stage, and give a 360 degree motion to any second stage.
Regulator 2nd Stage Ball Swivel - Accessories: Miscellaneous