The FIT system eliminates measuring, cutting and filler strips for a perfect fit every time. The FIT system ensures your hood will install seamlessly into your cabinet cutout in three easy steps. First, attach FIT brackets and prep hood for electrical connection; second, position hood and attach to cabinet; third, complete electrical connection to hood. Now the only thing left to do is use it. Based on typical installation with existing electrical and ventilation connections. Consult a professional installer to ensure your installation complies with code requirements.