PORTER SENTINEL NITROUS OXIDE N20 MANIFOLD The Sentinel Manifold features easy to read gauges, fail safe protection, O-ring seal back up and check valves, and pressure relief valves. Swivel connections allow for easy connection of piping – up or down – simplifying the installation process. - SEE PHOTOS FOR DETAILS 3222MX - THIS IS A USED ITEM YOU WILL RECEIVE EXACTLY WHAT IS PICTURED |