XS Scuba High Pressure Port Adapter XS Scuba High Pressure Port Adapter 1 to 2 HP Port Add Additional High Pressure Ports on Scuba Regulator Additional Port Allows for 360 Swivel One 7/16-20 Male to Two 7/16-20 Female Outlets (common HP port) Run Pressure Gauge and Air-Integrated Dive Computer off 1-HP Port