Transfill Adapter, CGA-540 to DIN 477-9 (Euro)

Transfill Adapter, CGA-540 to DIN 477-9 (Euro) used for filling American CGA 540 cylinders in European locations who don’t have the right kit to fill the American bottle. Typically in Europe, the cylinders have a DIN 477 thread so this adapter makes your American Cylinder look like a European one so they can fill it!