Attributes . 18 3/8 in . Names

Center Opening Diameter (6)   Compartment Width (1)   Duct Diameter (4)   Extension size (4)   Inside Height (2)   Inside Width (7)   Length (7)   Nominal Outside Dia. (1)   Outside Length (18)   Outside Width (14)   Overall Width (12)   Rough Opening Height (2)   Rough Opening Width (2)   Spout Height (1)   Tool Length (4)   Width (4)