Nalgene Rapid-Flow Sterile Bottletop Filter Holder 500 ml 291-3345

- Allows vacuum filtration of liquid directly into sterile bottles
- Capacity: 500 ml; fits bottle neck size 33 mm
- Membrane diameter: 75 mm; pore size: 0.45 µm,
- Sterile; disposable; polystyrene housing; yellow collar filter holder with SFCA membrane
- Fit Nalgene filter receiver bottles (#455-series) or standard glass media bottles and have surfactant-free cellulose acetate (SFCA) membranes
- Comes in case of 12 pcs