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Thermo Scientific™ Nalgene™ Rapid-Flow™ Sterile Disposable Bottle Top Filters with PES Membrane Available on GSA/VA Contract for Federal Government customers only.

Perform sterile filtration of cell culture media and serum with Thermo Scientific™ Nalgene™ Rapid-Flow™ Sterile Disposable Bottle Top Filters with PES Membranes.

Manufacturer:  Thermo Scientific™ 5953320

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Catalog No. 09-741-06

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CAUTION: Use only sterile bottles designed for use with vacuum. Always use safety shield during vacuum procedures.



Perform sterile filtration of cell culture media, serum, additives and buffers with Thermo Scientific™ Nalgene™ Rapid-Flow™ Sterile Disposable Bottle Top Filters with PES Membranes. Features fast flow rates, a high throughput for increased filtration efficiency and exclusive Rapid-Flow support plate design.

  • Filters marked with catalog number, membrane type and pore size, lot number and expiration date for easy traceability
  • Gamma radiation sterilized and individually bagged for a 5-year sterile shelf life
  • Molded-in graduations for easy visualization of sample size
  • Side-arm with quick-disconnect tubing adapter for easy change between filters
  • Use with Nalgene storage bottles with catalog numbers starting with 455- or glass bottles rated for vacuum
  • Non-cytotoxic and non-pyrogenic

Polyethersulfone (PES) membranes

  • PES is the best membrane for cell culture fluids; lowest protein binding to maintain protein balance, lowest extractables to maintain media purity
  • Asymmetric PES membrane plus unique Rapid-Flow support plate design provide fast flow and high throughput of fluids for increased filtration efficiency
  • Use 0.2 µm membranes for sterile filtration, 0.45 µm membranes for fluid clarification and particle removal


Polystyrene graduated chamber; Blue color-coded collar with cellulosic vent plug side arm and quick-disconnect tubing adapter; 50, 75, or 90 mm diameter membranes; bottom screw threads for attachment to bottles with 33 or 45 mm neck sizes.

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Bottle Top Filters
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