Thermo Nalgene Rapid‑Flow™ Filter Unit PES 500 mL 0.45 µm – Sterile, Pack of 12 (Type 166)

The Thermo Nalgene Rapid‑Flow™ Filter Unit (Type 166‑0045) is a single-use, sterile filtration device featuring a high-performance polyethersulfone (PES) membrane and a 500 mL capacity receiver. Engineered for efficient laboratory filtration, it delivers rapid throughput with minimal clogging, making it ideal for filtering sensitive biological samples such as cell culture media, buffers, and serum. Supplied as a pack of 12 units, this design ensures low extractables and reliable sterile processing.

Key Features:

• Brand: Thermo Nalgene
• Membrane Material: PES (polyethersulfone)
• Pore Size: 0.45 µm
• Filter Membrane Diameter: 75 mm
• Volume Capacity: 500 mL receiver
• Sterility: Sterile, fit-for-purpose (Type 166)
• Packaging: Pack of 12 units

These filter units are non-pyrogenic, endotoxin-free, and are widely used as the final filtration step to ensure sample sterility in microbiology, molecular biology, and cell culture workflows.

Frequently Asked Questions

1. What is the Thermo Nalgene Rapid‑Flow™ Filter Unit PES 500 mL 0.45 µm – Sterile, Pack of 12 (Type 166) used for?

It is a single-use, sterile filtration device featuring a high-performance polyethersulfone (PES) membrane and a 500 mL capacity receiver. Engineered for efficient laboratory filtration, it delivers rapid throughput with minimal clogging, making it ideal for filtering sensitive biological samples such as cell culture media, buffers, and serum. Supplied as a pack of 12 units, this design ensures low extractables and reliable sterile processing.

2. Is the Thermo Nalgene Rapid‑Flow™ Filter Unit PES 500 mL 0.45 µm – Sterile, Pack of 12 (Type 166) suitable for filtering sensitive biological samples such as cell culture media, buffers, and serum?

Yes. It is designed for filtering sensitive biological samples such as cell culture media, buffers, and serum, and offers a pore size of 0.45 µm and a filter membrane diameter of 75 mm to support this kind of work.

3. What pore size and filter membrane diameter does the Thermo Nalgene Rapid‑Flow™ Filter Unit PES 500 mL 0.45 µm – Sterile, Pack of 12 (Type 166) have?

It has a pore size of 0.45 µm, a filter membrane diameter of 75 mm and a volume capacity of 500 mL receiver, and is supplied under manufacturer part number 166-0045.

4. What membrane material and sterility does the Thermo Nalgene Rapid‑Flow™ Filter Unit PES 500 mL 0.45 µm – Sterile, Pack of 12 (Type 166) offer?

It offers PES (polyethersulfone) and sterile, fit-for-purpose (Type 166).

5. How does the Thermo Nalgene Rapid‑Flow™ Filter Unit PES 500 mL 0.45 µm – Sterile, Pack of 12 (Type 166) compare with the GVS Filter Units 250ml Pore 0.45µm PES Sterile Pack of 12 from GVS?

For filtering sensitive biological samples such as cell culture media, buffers, and serum, the Thermo Scientific model is the better choice, offering a pore size of 0.45 µm, a filter membrane diameter of 75 mm and a volume capacity of 500 mL receiver. The GVS model offers a volume of 250ml and a pore size of 0.45µm as an alternative, while the Thermo Scientific model's PES (polyethersulfone) and sterile, fit-for-purpose (Type 166) help make it a strong fit for filtering sensitive biological samples such as cell culture media, buffers, and serum.