Tthese ventless hoods are certified to remove grease-laden air allowing you to simply and economically comply with your local health and fire codes.These ventless hood systems suck in the dirty air and use advanced filters to remove grease, smoke and other particulates, circulating clean, inspector approved air into your kitchen. Best of all, they are incredibly simple to use. They can help you reduce smoke in your kitchen and contain the cooking smells if the equipment is close to guest areas. These systems not only provide heat and air ventilation; they also help trap grease to help the kitchen stay cleaner. Keeping any piece of equipment and its surroundings clean will help prolong the life of the unit.