Nalgene 292-3320 瓶顶过滤器-1000ml容量,MF75TM系列，聚苯乙烯外壳，90mmSFCA滤膜，孔径0.2um,适合瓶颈尺寸33mm BTLTOP SFCA 33MM 1L 90MM;0.2UM Labware and Bottles 12 12 2741