Fittings - AdaptersCGA-580 Heliox NutSKU: w-92 CGA-580 Heliox Nut Interested in pricing and information on this product? Add to quote Related products Fittings - AdaptersCGA-296 Nitrox Nipple View product Fittings - AdaptersReusable 3/8″ x O2 Fitting – Lifestar View product Fittings - Adapters3/8″ x O2 Oxygen Adapter View product