GREENHECK

fan and ventilation products, namely, centrifugal roof exhausters, centrifugal upblast roof exhausters, centrifugal sidewall exhausters, ceiling and cabinet fans, centrifugal in-line fans, centrifugal blowers, tube axial roof exhausters, wooded axial roof exhausters, sidewall propeller fans, gravity intake/relief ventilators, roof curbs, dampers, namely, back draft dampers, fire and ceiling radiation dampers, smoke and combination fire/smoke dampers, control dampers, and kitchen ventilation products, namely, kitchen hoods, roof supply fans, and make-up air units