Plastic honeycomb filter net activated carbon content is high, compared with the traditional activated carbon filter, has better aerodynamic performance, small volume density, large specific surface area, high adsorption efficiency, small wind resistance, long service life. Honeycomb activated carbon filter using aluminum honeycomb hole structure, plastic honeycomb paper honeycomb as a carrier, filled with hole nut shell, coconut shell carbon, more often used for air filtration using activated carbon in a way. The concept that the front screen or device is to protect the rear screen or front end directly affects the second part which is the effect of effective oil removal efficiency. Hotel kitchens (commercial) kitchen fume purification process usually involves two processes: in addition to soot - in addition to odor. Is the efficient normal operation of the kitchen produced by the smell, such as spices, food taste, etc., also including lampblack purification equipment in the production process of waste gas oil removal, such as electrostatic lampblack purifier ozone (O3), in addition to part of the main commercial kitchen odor.