Grille strip unit body by certain rules combination with a variety of structural forms. Industrial application of the first grill packing filler wood grill. More common filler Geli Qi grille, mesh grille filler, honeycomb grille fillers. The specific surface area of the grille filler, mainly for small voltage drop, load requirements and blockades occasions. The plastic grille filler features easy siltation tower use plastic grille filler mass transfer can improve efficiency and reduce running resistance. The plastic grille filler is an efficient, low resistance, flux structured packing.