Due to the variety of tanks around the world, Promolife cannot guarantee a regulator will work on a specific tank outside of North America. You will want to contact your supplier to verify which regulator you need for the tank you will purchase. If you don’t know which regulator you need then please review this: Acquiring Oxygen for Ozone Worldwide
Dimensions: G 5/8". This regulator has a built-in adapter that can connect to BS 341-3 oxygen tank with a 5/8" right hand internal thread. These tanks are used in the countries listed below.