康宁corning 3397 TW,HTS,6.5MM,0.4UM,S,BK,12/12
HTS TRANSWELL-24膜嵌套 6.5mm膜直径 0.4um孔径PC(聚碳酸酯）膜 灭菌 散装 12个/包 1包/箱 21324.61