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Thermo Scientific™ Nalgene™ Filter Membranes

Carry out particualte and microbial analysis with these filter membranes. Available in various forms for water quality work, cold sterilization or sample clean up.

$543.03 - $575.94


Color White
Diameter (Metric) Outer 47mm
No. per Case 100
No. per Pack 100
View More Specs


Must be wet when autoclaved


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.

Catalog Number Mfr. No. Material Pore Size Price Quantity    


thermo scientific™
Cellulose Acetate 0.2μm Case of 100 Each for $575.94


thermo scientific™
Cellulose Acetate 0.45μm Case of 100 Each for $575.94


thermo scientific™
Nylon 0.2μm Case of 100 Each for $543.03


thermo scientific™
Nylon 0.45μm Case of 100 Each for $543.03
Description & Specifications


Color White
Diameter (Metric) Outer 47mm
No. per Case 100
No. per Pack 100

Carry out particulate and microbial analysis with Thermo Scientific™ Nalgene™ Filter Membranes. Available in cellulose nitrate for water quality work, cellulose acetate for cold sterilization, nylon for solvent filtration or glass-fiber prefilters for sample clean up.

Cellulose Acetate (CA)

  • Excellent chemical resistance to alcohol and oil
  • Excellent for cold sterilization of proteinaceous solutions
  • Able to be used in short-term contact with methyl ethyl ketone
  • Suited for liquid scintillation studies
  • Can be cleared for direct observation using paraffin or almond oil
  • Nonsterile, autoclavable (membrane must be wet when autoclaved)

Celluose Nitrate (CN)

  • Superior recovery of microorganisms
  • Sterility testing, food and beverage testing
  • 0.45μm membrane meets requirements of Standard Methods for water quality work
  • Nonsterile, autoclavable

Nylon (NYL)

  • Extremely low levels of extractables—no wetting agent
  • Aqueous and organic solvent filtrations
  • Sterilize buffers and culture media
  • Use with HPLC solvents
  • Nonsterile, autoclavable
Warranty: 90 days