Thermo Scientific™

Nalgene™ Rapid-Flow™ Sterile Disposable Bottle Top Filters with SFCA Membrane

 Related applications:

Lower the number of extractables in your bottle-top filters by switching from standard cellulose acetate (CA) to Thermo Scientific™ Nalgene™ Rapid-Flow™ Sterile Disposable Bottle Top Filters with SFCA Membrane. These filters fit Nalgene filter receiver bottles (#455-series) or standard glass media bottles and have surfactant-free cellulose acetate (SFCA) membranes.

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Bottle Top Filters:
  • Marked with catalog number, membrane type, pore size, lot number and expiration date for easy traceability
  • Gamma radiation sterilized and individually bagged for 5-year sterile shelf life
  • Molded-in graduations for quick visualization of sample volume
  • Side-arm with quick-disconnect tubing adapter for easy bottle top changes
  • Non-cytotoxic and non-pyrogenic

Surfactant-Free Cellulose Acetate Membranes (SFCA)

  • Low protein binding with little or no loss of specific proteins
  • Excellent flow rates
  • No wetting agents to affect sensitive cell culture lines
  • Much lower extractables than standard CA membranes 


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

Warranty: 90 days

Disclaimer to internal research use restriction: Any restrictions on the purchaser to utilize the product(s) for internal research purposes only does not apply to the product(s) on the web pages associated with this statement.

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The Last Line of Defense

Cell Culture Contamination and Using Filtration as a Final Preventative Measure Webinar
Discussion topics include:

  • Understanding and protecting against biological contamination
  • How to choose the right filter
  • Types of filter membranes and how they work
Discover how to prevent cell culture contamination ›


Manuals & protocols