Overhang: The extraction canopy must overhang the cooking equipment by no less than 250mm on the front and sides. For combi-steamers or baking ovens, this will increase to 600mm. A number of forms of commercial kitchen air flow  and extraction systems cater to distinct kitchen demands: Smaller sized units are https://commercial-kitchen-extrac79001.blogmazing.com/36018095/how-much-you-need-to-expect-you-ll-pay-for-a-good-commercial-kitchen-extract-systems