Nalgene 596-3320 瓶顶过滤器150ml容量,MF75TM系列，聚苯乙烯外壳，Supor*machV PES膜,孔径02um,适合瓶颈尺寸33mm BTLTOP A-PES 33MM 150ML 50MM Labware and Bottles 12 12 1241