industrial activated carbon particles bulk packing net bag net bag packing bag nylon gauze bag drawstring filter bag filter screen 工业活性炭颗粒散装分装网袋网兜包装袋尼龙纱网袋束口过滤袋滤网

10*15cm/1 (mesh is about 1mm) 15*25cm1 (mesh is about 1mm) 20*30cm/1 piece (mesh is about 1mm) 25*35cm/1 piece (mesh is about 1mm) 30*45cm1 (mesh is about 1mm) 35*55cm1 (mesh is about 1mm) 40*60cm/1 piece (mesh is about 1mm) 48*70cm1 (mesh about 1mm) 55*75cm1 (mesh about 1mm) 60*95cm1 (mesh is about 1mm) 70*105cm1 (mesh about 1mm) 105*140cm1 (mesh about 1mm)

standard