
Thermo Scientific™ Nalgene™ Membrane and Prefilter Disks
Greener Choice Product
This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program

This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program
Carry out particulate and microbial analysis with these filter membranes. Available in various forms for water quality work, cold sterilization or sample clean up.
Sartorius Gridded Sterile Cellulose Nitrate Membrane Filters: 0.45ÎĽm
Ensure quality control in microbiological filtering. Sartorius Gridded Sterile Cellulose Nitrate Membrane Filters, 0.45ÎĽm are single-packed membranes with colored grids for colony counting, particle testing and microscopy. The 0.45ÎĽm pore size is made in accordance with ISO 7704. Choose from two diameters and quantities in a range of filter/grid color combinations.
Pore Size | 0.45 ÎĽm |
---|---|
Disposable | Single-use |
Format | Disc |
Material (Membrane) | Cellulose Nitrate |
Individually wrapped | Yes |
Material | Cellulose Nitrate |
Hydrophobicity | Hydrophilic |
For Use With (Application) | For colony count; sterility testing; particle count; microscopy |
Sterility | Sterile |
Sartorius Cellulose Acetate Membrane Filters
Combines high flow rates and thermal stability with very low adsorption characteristics. Sartorius Cellulose Acetate Membrane Filters are excellently suited for use in pressure filtration devices. Non-sterile filters in a variety of diameters and pore sizes are bulk-packed to save money and space.
Thickness (Metric) | 120 ÎĽm |
---|---|
Disposable | Single-use |
Type | Membrane Filter |
Format | Disc |
Material (Membrane) | Cellulose Acetate |
Color | White |
Material | Cellulose Acetate |
Hydrophobicity | Hydrophilic |
For Use With (Application) | For use in pressure filtration devices; Sterile filtration of solution. |
Autoclavable | Autoclavable |
Sterility | Non-sterile |
Sartorius Cellulose Nitrate Membrane Filters
Combines uniform pore structure with high flow and adsorption rates. Sartorius Cellulose Nitrate Membrane Filters are excellently suited for diagnostic kits. Non-sterile, hydrophilic filters in a variety of diameters and pore sizes are bulk-packed to save money and space.
Thickness (Metric) | 130 ÎĽm |
---|---|
Disposable | Single-use |
Type | Membrane Filter |
Format | Disc |
Material (Membrane) | Cellulose Nitrate |
Color | White |
Material | Cellulose Nitrate |
Filter Type | Membrane Filter |
Hydrophobicity | Hydrophilic |
Autoclavable | Autoclavable |
Sterility | Non-sterile |
Sartorius Stedim Biotech™ Microsart™ e.motion Cellulose Nitrate Membrane Filters, Gridded, White/Black, 0.45μm, High-Flow
Sartorius Stedim Biotech™ Microsart™ e.motion Cellulose Nitrate Membrane Filters, Gridded, White/Black, 0.45μm, High-Flow are designed for the e.motion dispenser and feature gridlines for reliable quantification and identification.
DWK Life Sciences DURAN™ Replacement 0.2 μm Syringe Disk Filter, for Pressure Equalization Set (GL 45 Connection Cap System Accessory)
Accessory for 2 or 3 port GL 45 connection cap system
Sartorius Gridded Sterile Cellulose Nitrate Membrane Filters: 0.2ÎĽm
Ensure quality control in routine microbiological filtering. Sartorius Gridded Sterile Cellulose Nitrate Membrane Filters, 0.2ÎĽm are single-packed membranes with black grids for colony counting, particle testing and microscopy. The 0.2ÎĽm pore size is BCT validated. Choose from two diameters and packaging quantities.
Pore Size | 0.2 ÎĽm |
---|---|
Disposable | Single-use |
Type | Membrane Filter |
Format | Disc |
Material (Membrane) | Cellulose Nitrate |
Color | White |
Grid Color | Black |
Material | Cellulose Nitrate |
Filter Type | Membrane Filter |
Hydrophobicity | Hydrophilic |
For Use With (Application) | For colony count; sterility testing; particle count; microscopy |
Sterility | Sterile |
Sartorius Stedim Biotech™ Microsart™ Cellulose Nitrate Membrane Filter Units, Gridded, White/Black, 0.45μm
SureTRACE
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More

Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Sartorius Stedim Biotech™ Microsart™ Cellulose Nitrate Membrane Filter Units, Gridded, White/Black 0.45μm combine a funnel, a filter base and a gridded membrane filter in one unit.
Pore Size | 0.45 ÎĽm |
---|---|
Disposable | Single-use |
Type | Membrane Filter |
Format | Disc |
Diameter (Metric) | 47 mm |
Material (Membrane) | Cellulose Nitrate |
Color | White |
Grid Color | Black |
Material | Polypropylene,ABS |
Sterility | Sterile |
Sartorius Microsart™ @Filter 100 in Trays
SureTRACE
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More

Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Membrane filters suitable for use in the Microsart @Filter units
Disposable | Single-use |
---|---|
Format | Disc |
Diameter (Metric) | 47 mm |
Material | Cellulose Nitrate |
Sterility | Sterile |
Sartorius Environmental Air Monitoring Gelatin Membranes
Collect airborne microbes and viruses. Sartorius Environmental Air Monitoring Gelatin Membranes guarantee reliable and accurate results. They are sterile and water soluble with a high retention rate. Choose from a range of sizes in single-wrapped disposable filters with holders or packs of filter disks.
Thickness (Metric) | 250 ÎĽm |
---|---|
Pore Size | 3.0 ÎĽm |
Disposable | Single-use |
Wettability | Water soluble |
Format | Disc |
Material | Gelatine |
Filter Type | Membrane Filter |
Sterility | Sterile |
Sartorius Stedim Biotech™ Microsart™ e.motion Cellulose Nitrate Membrane Filters, Gridded, Black/White, 0.45μm, High-Flow
Sartorius Stedim Biotech™ Microsart™ e.motion Cellulose Nitrate Membrane Filters, Gridded, Black/White, 0.45μm, High-Flow are designed for the e.motion dispenser and feature gridlines for reliable quantification and identification.
Sartorius Microsart™ @Filter 250 in Bags
SureTRACE
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More

Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Membrane filters suitable for use in the Microsart @Filter units
Disposable | Single-use |
---|---|
Type | Filter Tip |
Format | Disc |
Diameter (Metric) | 47 mm |
Material (Membrane) | Cellulose Nitrate |
Sample Volume | 250 mL |
Material | Cellulose Nitrate |
Sterility | Sterile |
Sartorius Microsart™ e.motion Membrane Filters
For colony counting, particle testing and microscopy. Specifically designed for use in the Microsart™ e.motion dispenser, the filters are individually sterile-sealed in a format packaged on a pleated band, without protective paper. Can also be used with Sartorius nutrient pad sets.
Sartorius Gridded Sterile Cellulose Nitrate Membrane Filters: 0.8ÎĽm
Membrane Filters for Colony Counting, Particle Testing and Microscopy - Cellulose nitrate (cellulose ester), gridded, individually, sterile packaged
Pore Size | 0.8 ÎĽm |
---|---|
Disposable | Single-use |
Type | Membrane Filter |
Format | Disc |
Material | Cellulose Nitrate |
Filter Type | Membrane Filter |
Hydrophobicity | Hydrophilic |
For Use With (Application) | For colony count; sterility testing; particle count; microscopy |
Sterility | Sterile |
Sartorius Stedim Biotech™ Microsart™ Cellulose Nitrate Membrane Filter Units, Gridded, Grey/White, 0.45μm
SureTRACE
Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More

Supports traceability with guaranteed access to certificates and proactive change notifications.
Learn More
Sartorius Stedim Biotech™ Microsart™ Cellulose Nitrate Membrane Filter Units, Gridded, Black/White 0.45μm combine a funnel, a filter base and a gridded membrane filter in one unit.
Pore Size | 0.45 ÎĽm |
---|---|
Diameter (Metric) | 47 mm |
Material (Membrane) | Cellulose Nitrate |
Color | Gray |
Grid Color | White |
Material | Polypropylene,ABS |
Sterility | Sterile |