Description Inlet guides are available for both the oil-free and oiled models of Wire Pilot Feed Assist with female threads for quick disconnects (A-4 and A-4HD) or with ceramic inlets. Standard inlets with 1/4 in. NPT-F threads are included on the oil-free model (PFA-LM-15). The oiled Feed Assist model (PFA-LM) requires A-1B-C inlet guide(s) or other inlet based on the welding application.
