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

Lower the number of extractables in your bottle-top filters by switching from standard CA membranes to sterile, disposable bottle top filters with SFCA Membrane.

Manufacturer:  Thermo Scientific™ 2913320

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Catalog No. 09-740-22H

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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.

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.

Description & Specifications


Bottle Top Filters
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