- 90 mm Supor® machV PES membrane
- Polystyrene housing
- Molded-in graduations
597 Bottle Top Filters feature a 90 mm diameter asymmetric polyethersulfone membrane. Filters screw securely onto glass media bottles with 33- or 45- mm neck sizes and allow direct filtration of liquid into sterile glass media bottles. Units have molded-in graduations. Sidearm has a quick-disconnect tubing adapter and BLUE collar.
Model 1234K66 filter cap has a 1000 mL capacity and fits a 33 mm neck size bottle. Model 1234K67 filter cap has a 1000 mL capacity and fits a 45 mm neck size bottle. Both filters have 90 mm diameter membranes with a 0.2 µm pore size.