Perform microbiological QC testing and analysis of water, food/beverage, raw material and finished product with economical, sterile and disposable Thermo Scientific Nalgene Analytical Test Filter Funnels. The squeeze and twist funnel is easy to remove for retrieval of the CN membrane.
High impact polystyrene collars are rugged for reliable performance
Preassembled, sterile, individually are bagged to ensure sample integrity
Adapters accommodate No. 8 stoppers for use with 0.5in. hole in vacuum manifolds or filter flasks
47mm diameter cellulose nitrate membrane is certified for water quality work
250mL sizes are useful when testing beverages that may foam
Cat. No. 147-0045 features gray membrane that turns black when wet, making it easier to detect and count growing colonies
Note: Designed for single use only
Includes: Six funnel adapters with each case
Meet requirements of APHA Standard Methods and EPA requirements for water quality work.
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