bulk industrial activated carbon nylon mesh bag mesh bag coconut shell activated carbon for water purification formaldehyde removal bamboo charcoal package packing bag 散装工业活性炭尼龙网袋网兜椰壳净水活性碳除甲醛炭包分装包装袋

40 mesh 15 x10 (1) 40 mesh 25 x15 (1) 40 mesh 25 x25 (1) 40 mesh 30 x20 (1) 40 mesh 30 x25 (1) 40 mesh 35 x25 (1) 40 mesh 45 x30 (1) 40 mesh 55 x35 (1) 40 mesh 60 x40 (1) 40 mesh 70 x48 (1) 40 mesh 75 x55 (1) 40 mesh 95 x60 (1) 40 mesh 105 x70 (1) 40 mesh 140 x105 (1)

standard