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Thermo Scientific™ Nalgene™ Sterile Analytical Filter Units Available on GSA/VA Contract for Federal Government customers only.

Recover and grow microorganisms for QC testing and analysis of water, food and beverage, raw materials and finished product.

Manufacturer:  Thermo Scientific™ 1304045

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Catalog No. 09-740-21B

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Recover and grow microorganisms for QC testing and analysis of water, food and beverage, raw materials and finished product with Thermo Scientific™ Nalgene™ Sterile Analytical Filter Units. Complete, efficient filter units have an easily removable upper and filter membrane.

  • Gamma-sterilized, individually wrapped
  • Upper chamber snaps away from receiver for retrieval of membrane with sterile forceps
  • Provides excellent recovery and growth of microorganisms
  • Receiver is graduated from 20 to 150mL for easy reading of sample volume
  • Wide base is stable on the bench
  • 0.2µm size is ideal for sterility tests
  • 0.45µm size has black grid to facilitate colony counting

Includes: Polystyrene cover; upper chamber with reference mark at 100mL and receiver; removable, 47mm Triton™-free cellulose nitrate (CN) membranes; cellulosic support pad; cellulosic vent plug side arm; quick-disconnect tubing adapter; and blue support plate

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Filter Units
0.45µm size conforms to Specification 909A, B and C of APHA Standard Methods, 16th ed.; EPA certification sheets included.
Cellulose Nitrate


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