Clearance: A least 450mm clearance is recommended from your cooking surface area towards the underside of any grease filter. There are many accepted methods of earning a welded joint for grease exhaust ductwork. The possibilities will depend on the code to your jurisdiction but should involve flanged, telescoping, Bell sort https://louisdvkzn.blogadvize.com/44757291/5-easy-facts-about-commercial-kitchen-extract-systems-described