All commercial functions should have some sort of canopy extraction or ventilated ceiling mounted. Adequate air flow is necessary for any machines that generates warmth, fumes, smells, or steam. Access doors supplied in grease ducts are needed by code to permit for that periodic cleaning and inspection of the inside https://greasetightextractductwor80122.blog-eye.com/37134095/5-simple-statements-about-commercial-kitchen-extract-systems-explained