2.5 OZ Gedney - Neer AC-250-D AC & Flex Conduit Connector
2.5" id on the box connector end, the flex end is 3" across on the ID.
Quote of the day
"How far you go in life depends on your being tender with the young, compassionate with the aged, sympathetic with the striving, and tolerant of the weak and strong. Because someday in your life you will have been all of these."