Horizontal Left Transition Broan 453
This Broan 453
Horizontal Left Transition is 4 1/2 inch x 18 1/2 inch to 10 inches round. This
Horizontal Left Transition is easy to install when the instructions are followed correctly. This
Horizontal Left Transition corresponds with other parts like wall caps, air ducts, and elbows. This
Horizontal Left Transition is very convenient for the other parts.