Create a customized fit for your range hood with the Electrolux Wall-Mount T Shape Hood 12′ Chimney Kit. This includes two flues for either a ducted or non-ducted 12-foot ceiling (installations between 120 to 144 inches), providing a seamless range hood fit to your home. The extension should replace the top and bottom flues included with the 30″ or 36″ Electrolux Wall-Mount T Shape Hood and features a premium stainless steel finish.