MECHANICAL EXTRACTION Removal of odours and steam from the kitchen Removal of fumes produced by gas fuelled    equipment Larger canopies will have a manifold to ensure    even extraction over whole area MECHANICAL AIR SUPPLY To meet current regulations 85% of extracted air    must be replaced by mechanical means with fresh    filtered air OPTIONS Air supply through canopy or in remote location Maintenance/inspection hatches in ducting Heated supply air Silencers, noise attenuation and anti vibration    mounts Fire dampers All extraction systems are designed using suitable size and type of fan to provide adequate ventilation of the kitchen, and to meet any CORGI or Local Authority regulations.