This port is 6-3/4 inches long, 2-3/4 inches wide and 2-3/4 inches high. It is perfect for homemade router table fences.
It comes in two versions:
2-1/4 inch ID, 2-1/2 inch OD port size to fit 2-1/2 inch dust hose
2-1/2 inch ID, 2-5/8 inch OD port size that lets you jam fit the 2-1/2 inch end of 4″ by 2-1/2″ adaptors to it (one method to get 4″ dust hose connected to the Router Table dust port).
