Two new units provide nontempered make-up air as part of a total kitchen ventilation system. Model KSFB has air volumes from 1,000 to 10,500 cfm. Model KSFD has air volumes from 400 to 2,000 cfm. Both models are available with a standard or extended weather hood to meet NFPA-96 requirements when used with a CUBE fan or as stand-alone units, the company says. These make-up air units are available with a UL-listed kitchen fan control center, which is mounted in the building.

Greenheck, P.O. Box 410, Schofield, WI 55476-0410; 715-359-6171; 715-355-2399;

eProduct #188