Greenheck’s untempered Make-Up Air product line includes the belt driven KSFB and the direct drive KSFD. Both have a compact design with downblast discharge providing untempered make-up air for commercial and institutional kitchen applications. Choose from a downturned or extended weatherhood. Both are designed to provide compliance to NFPA-96 when used with a combination package. Eight available blower sizes provide airflow capacities up to 10,500 cfm.