康宁corning耗材3413TW,6.5MM,0.4um,TCT,PC,S,12PL/48TW,6.5MM,0.4um, TCT, PC,S,12PL Transwell-膜嵌套 6.5mm膜直径 0.4um PC(聚碳酸酯）膜 TC表面 灭菌4包/箱