TR-55 CGA-540 to DIN-477 Oxygen Transfiller Device
TR-55 CGA-540 Transfiller 4'

The TR-55 is the most economical way to fill your cylinder. One side has a CGA-540 nut & nipple with an O-ring seal, while the other end is equipped with a large hand nut with bare nipple. This allows you to slowly and safely bleed the line so the fittings can be easily removed from the cylinder. The TR-55 is the most economical way to fill your cylinder. One side has a CGA-540 nut & nipple with internal threads with an O-ring seal, while the other end is equipped with a large hand nut with bare nipple with internal threads. This allows you to slowly and safely bleed the line so the fittings can be easily removed from the cylinder. This transfiller is also available in a DIN-477 (Euro-norm) version. Length: 18 inches