Nalgene 290-4545 瓶顶过滤器-150ml,容量MF75TM系列，聚苯乙烯外壳，SFCA滤膜，孔径0.45um,适合瓶颈尺寸45mm BTLTOP SFCA 45MM 150ML 50;.45U Labware and Bottles 12 12 1222