... 20ppi,25ppi,30ppi,35ppi,40ppi,60ppi,80ppi.etc9, widely used in car industry, electronic industry, filtering industry, equipments, machinery, ... factory direct sell, complete price;2, professional engineer manage, the production, good quality;3, size,shape, color, density by ... .6, timely delivery goodsIf you are interested in, please kindly EMAIL me the required density, size, color, if possible ...