This sterile 150mL Rapid-Flow™ series 565 filter unit consists of a polystyrene housing with a polyethersulfone (PES) membrane. Ultra-clean sterilization of media protects against mycoplasma and bacteria contamination in biotech and pharmaceutical R&D and scale up applications. The PES membrane is fast-flowing with outstanding throughput and low protein binding. The unit has graduations on both upper and receiver and features a side-arm with a cellulosic vent plug and a quick-disconnect tubing adapter. This product is not intended for use in direct patient care or diagnostic procedures. Sterile. Graduated. Material: polystyrene housing with a polyethersulfone (PES) membrane. Upper capacity: 150mL. Receiver capacity: 150mL. Pore size: 0.1µm. Membrane diameter: 50mm. 12/Case. Nalgene® #: 565-0010.