... ,304 L, 316,316 L 2.Structure: by the stainless steel screen and round hole network composition. Gas rectifier is improved ... ring hair rectifier tube size, precision and aesthetic appearance. Openings evenly , producing elegant . Within the network are made of stainless steel ... , flat surface . To ensure uniformity of hair .General mesh stainless steel wire mesh : 60 mesh , 80 mesh square mesh and 110 ...