Description:
Nalgene 140-4045 Sterile Disposable Analytical Filter Funnels with Cellulose Nitrate Membranes allow easy retrieval of filter membranes for growth and analysis. With a convenient snap-away design, these filters are particularly useful for large volume microbiological QC samples. They are compatible with filter manifolds and filtering flasks. Each funnel comes with a removable 47mm diameter x 0.45μm Triton™-free cellulose nitrate membrane with gray grid. These funnels can be used with filtering flasks and manifolds. Includes: Upper chamber with reference mark at 150mL; polystyrene cover; CN membrane; support pad; polystyrene support plate/funnel that fits a stopper or adapter with 9/16″ hole; quick-disconnect adapter for 1/4 or 5/16″ tubing. Each pack of 12 funnels includes one vacuum gasket that replaces stopper or adapter with 9/16″ or larger opening.
Pore Size (µm): 0.45
