Zephyr Ravenna Island Range Hood Model Duct Extension KitZ1C 00REBS This duct cover extension kit replaces standard duct covers to accommodate up to a 12 foot ceiling height. This kit covers exposed ductwork running from the hood to the ceiling while providing a finished look to your range hood. Please check your Zephyr range hood's specification sheet to ensure compatibility. PRODUCT DETAILS Brand: Zephyr Model #: Z1C 00REBS Short Description Duct Cover Extension, ZRE, 12', Blk SS Collection: Core