
Thermo Scientific™ Nalgene™ Rapid-Flow™ Sterile Disposable Filter Units with PES, CN, SFCA or Nylon Membranes
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Increase filtration efficiency. PES membranes and exclusive Rapid-Flow design provide fast flow rates and high throughput while defending against cell culture contamination.

Disposable | Single-use |
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Type | Filter Unit |
No. per Pack | 12 |
Fit for Purpose | Sterile |
Sterility | Sterile |
Fisherbrand™ Diaphragm Pump
Use these chemically resistant pumps for applications involving aggressive solvents and acidic vapors. Fisherbrand™ Diaphragm Pumps and connection heads are carbon fiber reinforced to provide electrical conductivity and prevent electrostatic charging.

DWK Life Sciences Kimble™ Kontes™ Ultra-Ware™ Solvent Filtration Solvent Pick-up Adapter
Converts Ultra-Ware filtration assemblies for inline filtration/degassing applications

Borosilicate Glass Filtration System
Ideal for microbiology and preparation of HPLC solvents

Cytiva Whatman™ 30mm SPARTAN™ Regenerated Cellulose Syringe Filters
Provides reproducible results from the filtration of organic and aqueous solutions in HPLC. Whatman™ 30mm Spartan™ Regenerated Cellulose Syringe Filters is resistant to common HPLC solvents and exhibits very low levels of extractables that could otherwise interfere with analysis.

Type | Syringe Filter |
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Outlet Style | Male Luer |
Diameter (Metric) | 30 mm |
Inlet Style | Female Luer Lock |
Housing Material | Polypropylene |
Material (Membrane) | Regenerated Cellulose |
For Use With (Application) | Filtration of organic and aqueous solutions in HPLC with reproducible results; Purification of aqueous and organic solutions; Filtration of protein solutions |
Cytiva Whatman™ Mini-UniPrep™ Syringeless Filters with Preslit Septa
Processes sample loads in one-third the time. Whatman™ Mini-UniPrep™ Syringeless Filters with Preslit Septa provide a faster and easier way to remove particulates from samples being prepared for HPLC and UHPLC analysis.

For Use With (Application) | Routine HPLC/UHPLC analysis; Composite assays; Content uniformity; Protein precipitation; Solubility testing; Dissolution testing; Sample filtration; Standard robotics on HPLC instruments with sensitive needles, allowing for higher throughput; Light sen |
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Cytiva Whatman™ Quantitative Filter Paper: Grade 40 Circles
Supports accurate analysis in applications sensitive to very low levels of background contamination. Whatman™ Quantitative Filter Paper: Grade 40 Circles are additionally useful in gravimetric analysis where ash content might affect weight measurements of combusted samples.

Pore Size | 8 μm |
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Particle Retention | 8 μm |
Airflow Rate | 21 s/100 mL/in2 |
Quantity | 100 Pk. |
Grade | Grade 40 |
Material | Cotton Linters |
Filtration Speed | ASTM, 75 seconds; Herzberg, 340 seconds |
For Use With (Application) | Designed for gravimetric analysis and the preparation of samples for instrumental analysis.Gravimetric analysis for numerous components in cements, clays, iron, and steel products.As a primary filter for separating solid matter from aqueous extracts in |
Thickness (Metric) | 210 μm |
Flow Rate | Medium |
Type | Quantitative Filter Paper |
Format | Disc |
Filter Type | Ashless |
Porosity | Medium |
Cytiva Whatman™ 3 μm Pore Size (ME 29) Mixed Cellulose Ester Membranes, Plain
Whatman™ (ME 29) Mixed Cellulose Ester Membranes, Plain are particularly effective in applications requiring higher flow rates and larger volume filtration including clarification or sterilization of aqueous solutions, particulate analysis and removal, air monitoring, and microbial analysis.

Pore Size | 3 μm |
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Flow Rate | 1.2 sec./100 mL/12.5 cm² (at Δp = 0.9 bar) |
Material (Membrane) | ME 29 |
Material | MCE |
Surface Type | Plain |
For Use With (Application) | Filtration, cytology, air monitoring, aqueous HPLC samples, biological assays |
Autoclavable | Autoclavable |
Sterility | Non-sterile |
Gas Flow Rate | 6.7 sec./100 mL (at Δp = 3 mbar) |
DWK Life Sciences DURAN™ Filter Disc Sintered Glass, Porosity 3, edge not fused
A prerequisite for successful work with glass filters is the selection of the right porosity. It is important to select a filter whose largest pore size is slightly below the grain size of the smallest particles still to be separated.

Material | Borosilicate Glass (3.3) |
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For Use With (Application) | Suitable for vacuum filtration with a maximum resulting pressure difference of 1 bar |
Cytiva AcroPrep™ Advance 96-well Filter Plates for Aqueous Filtration
Optimized for a variety of applications requiring larger per well volume processing.

Housing Material | Polypropylene Housing |
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Sterility | Non-sterile |
Cytiva Sentino™ Supor™ Membrane
Filter dispense packs for Sentino dispenser are ideal for high throughput microbiology testing labs.

DWK Life Sciences Kimble™ Kimble™ Kontes™ Components for Ultra-Ware™ Filtration Cap System
Various filtration-cap system accessories
For Use With (Equipment) | Ultra-ware™ filtration cap system |
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No. per Case | 1 Case |
DWK Life Sciences Kimble™ Silicone Stoppers, Single Hole
Kimble™ Silicone Stoppers are general purpose single-hole silicone rubber stoppers. They are steam autoclavable and an opaque yellowish-white in color. For use with Kimble™ Kontes™ Filtration Assemblies.
Thermo Scientific™ Filtration Hardware, Accessories, and Spare Parts
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This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
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This product offers one or more environmental benefits itemized in the U.S. FTC “Green Guides.”
Learn More About the Greener Choice Program
Designed for use in a wide range of applications, Thermo Scientific™ Nalgene™ filtration hardware and accessories can be used in conjunction with our various lines of filtration devices.