公共场所耻辱h调教小说流年_被两个同桌绑起来玩乳动态gif_宅男午夜大片啪啪软件_榴莲视频黄色下载

F47 / F60 filtration funnel adopts membrane filtration method to retain the microorganisms on the membrane.

F47 funnels fit for  ?47mm membrane filters, while F60 funnels fit for  ?60mm membrane filters.

Sterile package, EO pre-sterilized;

No liquid remaining at the ring edge;

Seal of funnel edge is excellent, no leakage.

Membrane filters requirements:

    Diameter: ?47mm for F47 funnel; ?60mm for F60 funnel;

    Pore size: 0.45μm recommended;

Volume: 100mL, 250mL

Material of Funnel: Polypropylene (PP)

Sample filtration and microorganisms retention in microbial limit test and bioburden test.