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Membrane and Prefilter Selection Guide

All NALGENE filterware is for laboratory use only, not for in vitro diagnosis or parenterals.

To make your search quick and easy, we organized the information by the type of membrane.

C.N. -- Cellulose Nitrate
C.A. Cellulose Acetate
NYL -- Nylon
GF -- Glass-Fiber
Cat. No. 200-4020
Membrane: C.N.
Pore Size/Diameter: 0.2 um
(Min.) Bubble Point (psig): 58
(Min.) Flow Rate Water (^1): 18
Max. Temp.: 130&176;C
Sterilization -- Microbial Media, Aqueous Solutions: Yes
Sterilization -- Tissue Culture Media: Yes
Ultracleaning -- Aqueous Solutions: Yes
Ultracleaning -- Solvents: No
Prefiltration and Clarification -- Aqueous Solutions: No
Prefiltration and Clarification -- Solvents: No
Microbiological Analysis -- Bacteriological Analysis: Yes
Microbiological Analysis -- Direct Observation: Yes
Microbiological Analysis -- Sterility Testing: Yes
Scintillation Counting: No
General Cytology: No
Particle Analysis -- General Analysis: Yes
Particle Analysis -- Direct Observation, Microscopy: No

Cat. No. 200-4045
Membrane: C.N.
Pore Size/Diameter: 0.45 um, G
(Min.) Bubble Point (psig): 40
(Min.) Flow Rate Water (^1): 51
Max. Temp.: 130&176;C
Sterilization -- Microbial Media, Aqueous Solutions: No
Sterilization -- Tissue Culture Media: No
Ultracleaning -- Aqueous Solutions: No
Ultracleaning -- Solvents: No
Prefiltration and Clarification -- Aqueous Solutions: Yes
Prefiltration and Clarification -- Solvents: No
Microbiological Analysis -- Bacteriological Analysis: Yes
Microbiological Analysis -- Direct Observation: Yes
Microbiological Analysis -- Sterility Testing: Yes
Scintillation Counting: No
General Cytology: No
Particle Analysis -- General Analysis: Yes
Particle Analysis -- Direct Observation, Microscopy: Yes

Cat. No. 205-4045
Membrane: C.N.
Pore Size/Diameter: 0.45 um, G
(Min.) Bubble Point (psig): 40
(Min.) Flow Rate Water (^1): 51
Max. Temp.: 130&176;C
Sterilization -- Microbial Media, Aqueous Solutions: No
Sterilization -- Tissue Culture Media: No
Ultracleaning -- Aqueous Solutions: No
Ultracleaning -- Solvents: No
Prefiltration and Clarification -- Aqueous Solutions: Yes
Prefiltration and Clarification -- Solvents: No
Microbiological Analysis -- Bacteriological Analysis: Yes
Microbiological Analysis -- Direct Observation: Yes
Microbiological Analysis -- Sterility Testing: Yes
Scintillation Counting: No
General Cytology: No
Particle Analysis -- General Analysis: Yes
Particle Analysis -- Direct Observation, Microscopy: Yes

Cat. No. 210-4020
Membrane: C.A.
Pore Size/Diameter: 0.2 um
(Min.) Bubble Point (psig): 49
(Min.) Flow Rate Water (^1): 21
Max. Temp.: 120&176;C
Sterilization -- Microbial Media, Aqueous Solutions: Yes
Sterilization -- Tissue Culture Media: Yes
Ultracleaning -- Aqueous Solutions: Yes
Ultracleaning -- Solvents: No
Prefiltration and Clarification -- Aqueous Solutions: No
Prefiltration and Clarification -- Solvents: No
Microbiological Analysis -- Bacteriological Analysis: No
Microbiological Analysis -- Direct Observation: No
Microbiological Analysis -- Sterility Testing: No
Scintillation Counting: No
General Cytology: No
Particle Analysis -- General Analysis: Yes
Particle Analysis -- Direct Observation, Microscopy: No

Cat. No. 210-4045
Membrane: C.A.
Pore Size/Diameter: 0.45 um
(Min.) Bubble Point (psig): 29
(Min.) Flow Rate Water (^1): 51
Max. Temp.: 120&176;C
Sterilization -- Microbial Media, Aqueous Solutions: No
Sterilization -- Tissue Culture Media: No
Ultracleaning -- Aqueous Solutions: No
Ultracleaning -- Solvents: No
Prefiltration and Clarification -- Aqueous Solutions: Yes
Prefiltration and Clarification -- Solvents: No
Microbiological Analysis -- Bacteriological Analysis: No
Microbiological Analysis -- Direct Observation: No
Microbiological Analysis -- Sterility Testing: No
Scintillation Counting: Yes
General Cytology: Yes
Particle Analysis -- General Analysis: Yes
Particle Analysis -- Direct Observation, Microscopy: No

Cat. No. 215-4020
Membrane: NYL
Pore Size/Diameter: 0.2 um
(Min.) Bubble Point (psig): 46
(Min.) Flow Rate Water (^1): 19
Max. Temp.: 125&176;C
Sterilization -- Microbial Media, Aqueous Solutions: Yes
Sterilization -- Tissue Culture Media: Yes
Ultracleaning -- Aqueous Solutions: Yes
Ultracleaning -- Solvents: Yes
Prefiltration and Clarification -- Aqueous Solutions: No
Prefiltration and Clarification -- Solvents: No
Microbiological Analysis -- Bacteriological Analysis: No
Microbiological Analysis -- Direct Observation: No
Microbiological Analysis -- Sterility Testing: No
Scintillation Counting: No
General Cytology: No
Particle Analysis -- General Analysis: No
Particle Analysis -- Direct Observation, Microscopy: No

Cat. No. 215-4045
Membrane: NYL
Pore Size/Diameter: 0.45 um
(Min.) Bubble Point (psig): 25
(Min.) Flow Rate Water (^1): 37
Max. Temp.: 125&176;C
Sterilization -- Microbial Media, Aqueous Solutions: No
Sterilization -- Tissue Culture Media: No
Ultracleaning -- Aqueous Solutions: No
Ultracleaning -- Solvents: No
Prefiltration and Clarification -- Aqueous Solutions: Yes
Prefiltration and Clarification -- Solvents: Yes
Microbiological Analysis -- Bacteriological Analysis: No
Microbiological Analysis -- Direct Observation: No
Microbiological Analysis -- Sterility Testing: No
Scintillation Counting: No
General Cytology: No
Particle Analysis -- General Analysis: No
Particle Analysis -- Direct Observation, Microscopy: No

Cat. No. 281-5000
Membrane: GF prefilter
Pore Size/Diameter: 50 mm, thin
(Min.) Bubble Point (psig): na
(Min.) Flow Rate Water (^1): na
Max. Temp.: na
Sterilization -- Microbial Media, Aqueous Solutions: No
Sterilization -- Tissue Culture Media: No
Ultracleaning -- Aqueous Solutions: No
Ultracleaning -- Solvents: No
Prefiltration and Clarification -- Aqueous Solutions: Yes
Prefiltration and Clarification -- Solvents: Yes
Microbiological Analysis -- Bacteriological Analysis: No
Microbiological Analysis -- Direct Observation: No
Microbiological Analysis -- Sterility Testing: No
Scintillation Counting: Yes
General Cytology: Yes
Particle Analysis -- General Analysis: No
Particle Analysis -- Direct Observation, Microscopy: No

Cat. No. 281-9000
Membrane: GF prefilter
Pore Size/Diameter: 90 mm, thin
(Min.) Bubble Point (psig): na
(Min.) Flow Rate Water (^1): na
Max. Temp.: na
Sterilization -- Microbial Media, Aqueous Solutions: No
Sterilization -- Tissue Culture Media: No
Ultracleaning -- Aqueous Solutions: No
Ultracleaning -- Solvents: No
Prefiltration and Clarification -- Aqueous Solutions: Yes
Prefiltration and Clarification -- Solvents: Yes
Microbiological Analysis -- Bacteriological Analysis: No
Microbiological Analysis -- Direct Observation: No
Microbiological Analysis -- Sterility Testing: No
Scintillation Counting: No
General Cytology: No
Particle Analysis -- General Analysis: No
Particle Analysis -- Direct Observation, Microscopy: No

(^1)All values in mL/min./cm2, measured at 14.7 psig.
(^2)All membranes are autoclavable

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