... 2400mesh material: stainless steel, copper, brass shape: square ,round, ring ectISO9001Features:1 Neat and precise2 Wear-resistance, high strength ... mesh ,perforated metal mesh etc. It is divided into round, rectangle, hoop and ellipse etc, according to the outline ... filter, fan filter, Automotive air bagdisc filter specification Round shape diameter 44 to 600mmtoroidal shape inner diameter 18mm ...