Omix has all the parts and components you need to keep you Jeep's A/C and heater system functioning at its very best. With quality you can trust from a company that lives and breathes Jeep. This replacement defroster duct fits 55-71 CJ5 / CJ6 models. Outlet measures 14-1/8 x 2-inches and the inlet is 2-3/4-inches diameter. Replaces OE M1111