Description General description Ready-to-use filtration units for microbiology. Whatman analytical funnels are ready-to-use 100 mL filtration units with removable cellulose nitrate membrane and culturing devices. After filtration, the membrane of the analytical funnel can be easily removed for use in a wide range of qualitative and quantitative biological analyses. Features and Benefits • Saves up to 50% in time with no flaming and sterilization required • Minimizes the risk of cross contamination • Easy release of membrane Other Notes Field of Use : Any microbiological or biotechnological application, including, but not limited to application of membranes for diagnostic, medical, biological, pharmaceutical, consumer product and food and beverage purposes.