Vintage 1St Stage DIN Regulator Macro, 3 overall. With a port adapter (may be metric to inch not sure). This, as all dive gear should only be used by Trained CERTIFIED DIVERS.As with all LIFE-SUPPORT Equipment, this should be serviced by your Dive Shop PRIOR to use. The item "Macro DIN Scuba Dive Regulator First Stage 3 1LP Port Mini Small" is in sale since Wednesday, September 22, 2021. This item is in the category "Sporting Goods\Water Sports\Scuba & Snorkeling\Regulators". The seller is "haillais" and is located in Miami, Florida. This item can be shipped worldwide.