Bluezone by Middleby is an air filtration product suitable for use in a variety of restaurant and hospitality applications. Bluezone can purify indoor air and destroy 99.9995% of infectious airborne particles, per a laboratory study. The product is always active and kills microbes, bacteria, mold and other indoor space contaminants, per the manufacturer. The system does not require a filter. The product line consists of units suitable for front-of-house air purification. Operators can place front-of-house units in hostess stands or other suitable furnishings. The line also includes a unit that is suitable for placement in walk-ins that can help maintain food quality.