Nalgene 291-4520 瓶顶过滤器-500ml容量,MF75TM系列，聚苯乙烯外壳，75mmSFCA滤膜，孔径0.2um,适合瓶颈尺寸45mm BTLTOP SFCA;45MM 500ML 75MM.2]] Labware and Bottles 12 12 1906