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Thermo Scientific™ Nalgene™ Sterile Analytical Filter Units

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