GD/X 25mm Syringe Filter, PES, 0.2um (150 pcs)
Whatman SKU: 6876-2502

Whatman GD/X Polyethersulfone (PES) Syringe Filters, 0.2 µm, 25 mm, 150/Pk - 6876-2502

Whatman applies over a century of filtration media expertise, manufacturing under the quality standards that established its products as global laboratory references. Sample preparation for chromatography often ends with a syringe filter on the path to the vial. The PES membrane draws aqueous buffers through without pre-wetting while minimizing protein binding for high analyte recovery and tolerates aqueous buffers, aliphatic alcohols, and glycols. The polypropylene housing resists aqueous acids, bases, and alcohols while maintaining a low-dead-volume internal flow path and holds extractables low for sensitive analyses. Where small-volume samples must reach the instrument clean, syringe filtration clears particulates in a single pass.

Technical Specifications

• Naturally hydrophilic surface wets without pre-wetting in aqueous applications
• Broad compatibility with aqueous buffers, aliphatic alcohols, glycols, and strong bases
• High flow rate with low extractable background for clean preparations
• Absolute pore size rating gives consistent results across protocols
• Low protein binding preserves dilute analytes for maximum recovery

Housing Specifications

• Medical-grade polypropylene with broad chemical compatibility
• Optimized internal geometry minimizes backpressure in service
• Resists aqueous acids, bases, and alcohols in routine sample prep
• Thermal-bonded construction keeps adhesives out of the fluid path

Filtering particulates upstream protects the column investment your methods depend on. Reliable particulate removal protects your instruments and your data across reagent, buffer, and mobile-phase preparation. Connect with our customer support technicians for chemical compatibility guidance and the right filtration product for your workflow.

For more information about chemical compatibility, please review our Chemical Compatibility Chart.

Bubble Point (psi)

3.4 bar (50 psi)

Burst Pressure (psi)

75psi

Connection Type

Luer-Lok/ Luer Slip

Construction

Polypropylene

Diameter

25mm

Filtration Area

4.6cm²

Flow Rate

46

Holdup Volume

1.4ml

Material

Polyethersulfone (PES)

Maximum Operating Pressure

75psi

Maximum Operating Temperature (°C)

121°C

Pack Count

150

Pore Size (µm)

0.2

Prefilter (Yes/No)

Yes

Prefilter Material

Glass Microfiber (GMF)

Sterility

Nonsterile

Sterilization

Autoclavable 121°C

Volume Throughput (ml)

Up to 100ml

Wettability

Hydrophilic

• Biological Sample Prep - The low protein-binding nature of PES ensures maximum recovery of critical enzymes and proteins
• Culture Media Filtration - PES offers the fastest flow rates for viscous culture media while maintaining absolute sterility
• Life Science Applications - Ideal for filtering serum and plasma, where minimizing nonspecific binding is crucial for assay accuracy
• Ion Chromatography - The extremely low extractable profile of PES provides the clean baselines needed for sensitive IC analysis
• General Laboratory Filtration - Increases workflow efficiency by optimizing sample clarity without sacrificing flow rates
• Biological Fluid Analysis - Protects sensitive downstream instruments from filtering contaminants that can cause system failure