PES Filter protects against mycoplasma contamination.

Press Release Summary:

Available in 1 L unit, Nalgene® 0.1 micron PES filter is intended for micron vacuum filtration of cell culture media to prevent mycoplasma contamination. Its 90 mm dia membrane and Rapid-Flow(TM) membrane support plate facilitate accelerated filtration in academic, pharmaceutical, and biotechnology cell culture labs. Low protein-binding PES (polyethersulfone) membrane reduces potential for removing critical components from media during filtration.

Original Press Release:

Thermo Fisher Scientific Provides the Last Line of Defense against Mycoplasma Contamination with Expanded 0.1 Micron PES Filter Line

New 1-Liter Unit Offers Rapid, High-Capacity Filtration of Cell Culture Media

ROCHESTER, N.Y. - Thermo Fisher Scientific Inc., the world leader in serving science, has expanded its Thermo Scientific Nalgene 0.1 Micron PES Filter line with a new 1-liter unit, offering customers the broadest size selection on the market for 0.1 micron vacuum filtration of cell culture media to prevent mycoplasma contamination. The new unit incorporates a large 90 mm diameter membrane and a proprietary Rapid-Flow(TM) membrane support plate to facilitate rapid, high-capacity filtration rates. The Nalgene® PES 0.1 micron filter unit is ideal for use in academic, pharmaceutical and biotechnology cell culture labs.

Along with the new 1-liter unit, the Nalgene 0.1 micron PES filters are also available in 150 mL, 250 mL and 500 mL capacities. By choosing the ideal filter size for their application, customers can reduce costs, save storage space and avoid waste.

The Nalgene 0.1 micron PES units effectively filter media and buffers to protect against a loss of culture viability due to contamination, particularly mycoplasma contamination, which can destroy valuable cell cultures. While sterile techniques and routine testing reduce contamination, 0.1 micron final filtration provides an enhanced level of protection. Additionally, the filters' low protein-binding PES membrane reduces the potential for removing critical components from the media during filtration, and low extractable levels ensure that the solution remains unchanged. Built to the well-known Nalgene quality standards, the guaranteed leak-proof filter bottle cap maintains the pH of filtered media.

The Thermo Scientific Nalgene 0.1 micron PES filter units provide the last line of defense against mycoplasma contamination while offering enhanced flow capabilities in a broad volume range. For further information, please visit

About Thermo Fisher Scientific
Thermo Fisher Scientific Inc. is the world leader in serving science. Our mission is to enable our customers to make the world healthier, cleaner and safer. With revenues of nearly $11 billion, we have approximately 37,000 employees and serve customers within pharmaceutical and biotech companies, hospitals and clinical diagnostic labs, universities, research institutions and government agencies, as well as in environmental and process control industries. We create value for our key stakeholders through two premier brands, Thermo Scientific and Fisher Scientific, which offer a unique combination of continuous technology development and the most convenient purchasing options. Our products and services help accelerate the pace of scientific discovery, and solve analytical challenges ranging from complex research to routine testing to field applications. Visit

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