Home / Welder Replacement Parts / Mig Consumables / Profax 54A DiffuserProfax 54A Diffuser$1.95 Profax 54A Diffuser quantity — OR — Add to cart Categories: Mig Consumables, Welder Replacement Parts Description Description1-1/4″ Long1/4-28 Tip Thread3/8-24 Gooseneck ThreadFits Lincoln machines with Magnum 250L gun, Profax 250 & 400 amp guns, and many others that use a 3/8-24 conductor tubeProfax 14 Series Contact TipProfax 23-50 NozzleProfax 23-62 NozzleProfax 34A InsulatorRelated products CO2 Flowmeter $50.00 Add to cart Western Argon Quick Connect Regulator to Hose QDB33 $31.08 Add to cart KP3075-1-50F Magnum Pro 100L Nozzle – Flush, 1/2 in ID $14.74 Add to cart Profax 11 Series Contact Tip (25 pack) $16.25 Select options