ZLINE Vented Crown Molding Profile 6 For Island Mount Range Hood (CM6V-655iB)ZLINE's signature vented crown molding for wooden range hoods provides a unique and elegant ceiling transition, helping your ZLINE range hood fit perfectly. ZLINE's vented crown molding allows for the transition to a recirculating range hood. This crown model will fit ZLINE range hood model number: 655i EBBBB 30 Extensions, Short Kits, and Crown Molding are non returnable. Contact a representative if you need assistance with finding the right chimney