Horizontal Right Transition — 4-1/2'' x 18-1/2'' to 10'' round (le (454)
by Broan Nutone
•Overall size of this horizontal left transition is 20-1/2' from front to back, 12' high and 10' wide with a 'left end boot' to give you the right fit for your installation
•Transition is made of 26 gauge galvanized steel construction for durability and long life
•Sold as 1 to a carton