The Faber Inlbkit In-Line Blower Kit For Inca Pro Plus Is Used To Connect Your Separately Purchased In-Line Blower Or Your Current Existing Remote Blower On Your House To The Inca Pro Plus. The Kit Consists Of A Duct Connection Plate With A 10-In. Round Opening To Attach Ductwork To And A Wiring Box And Cable To Hook Up Your In-Line / Existing Remote Blower To The Hood Controls.