The VVF smoke hood integrates a replacement fresh air supply device on its front, which supplies fresh air slowly inside the smoke hood. This further enhances the efficiency of the smoke hood and creates a comfortable and clean environment for the kitchen. The exhaust channel is combined with a large internal volume of the smoke hood to quickly discharge steam and heat energy. Flow diverting channels are set around, preventing condensate water from dripping. An internal position air supply device is built-in, enhancing the comfort of the operators. The TCB interface incorporates a balance device for regulating the exhaust and fresh air volume. The ASL kitchen-specific LED lighting energy-saving system. SUS304 stainless steel structure.