Eagle’s SPEC AIR® Ventilation Hoods – Exhaust-Only Models are designed for use in commercial cooking such as restaurants, kitchens, fast food and deli. Exhaust-only vent hoods are designed for use where make-up air is supplied by other vent systems. Regular HEB Series and short front HES Series models (for low ceilings) are available. All models are 51″ front-to-back and 24″ high. Heavy gauge type 430 stainless steel hood surfaces.