Nalgene 597-4520 瓶顶过滤器1000ml容量,MF75TM系列，聚苯乙烯外壳，Supor*machV PES膜,孔径0.2um,适合瓶颈尺寸45mm BTLTOP A-PES 45MM 1L 90MM]] Labware and Bottles 12 12 2536