For converting R12 to for R134a, LP and for HP connection. 1 A dapter 1/4 "SAE I nternal T hread -HD A utomotive A ir C onditioning C onnection. It's easy to install and is anti-aging. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.
eBay