康宁corning耗材3398TW,HTS,6.5MM,3.0UM,S,IND,1/2TW,HTS,6.5MM,3.0UM,S,IND,1/2 HTS TRANSWELL-24膜嵌套 6.5mm膜直径 3.0um孔径PC(聚碳酸酯）膜 灭菌 单个包装2包/箱