Ductless Conversion Kit For Synthesis - StainlessThe Faber DUCTSYNT Ductless Conversion Kit is used for installations where ductwork is impossible or impractical. Every Faber chimney style and island hood except for the Fortezza Isola, has the ability to be converted to ductless. It is highly recommended that professional style cooking always be vented to the outside. Each ductless conversion kit consists of: a lower chimney cover with holes for venting back into the kitchen, vent grates for the