Overhang: The extraction canopy should overhang the cooking devices by no less than 250mm in the entrance and sides. For combi-steamers or baking ovens, this raises to 600mm. Contaminants of combustion are certainly not trapped within the flue like it is often found in the corners of a rectangular design https://grease-tight-extract-duct46788.blog5star.com/37366835/commercial-kitchen-extract-systems-fundamentals-explained