Thermo Scientific Syringe Filter 0.2 um PES 25 mm Individually Sealed 46 Filters

Thermo Scientific™ Nalgene™ 725-2520 25 mm Syringe Filter (0.2 µm PES, Sterile)

The Thermo Scientific™ Nalgene™ 725-2520 is a high-performance, sterile syringe filter designed for the rapid clarification and sterilization of sensitive biological samples. Featuring a 0.2 µm Polyethersulfone (PES) membrane, this filter provides a superior combination of high flow rates and exceptionally low protein binding. The 25 mm diameter housing offers a large filtration surface area, allowing for the processing of volumes up to 100 ml with minimal clogging. Manufactured with a medical-grade polypropylene housing and featuring a secure luer-lock inlet, the 725-2520 ensures a leak-proof connection during pressurized filtration. This filter is the ideal choice for laboratories performing cell culture, protein purification, and sterile reagent preparation where sample recovery and speed are paramount.

Technical Performance and Design

• High-Flow PES Membrane: The 0.2 µm PES media is engineered for ultra-fast filtration of aqueous solutions, significantly reducing the time required to process large sample volumes compared to Cellulose Acetate or Nylon alternatives.

• Ultra-Low Protein Binding: Specifically chosen for biological research, the PES membrane ensures that valuable proteins, enzymes, and growth factors are not adsorbed onto the filter matrix during processing.

• Robust Housing Design: The 25 mm polypropylene housing is designed to withstand higher operating pressures without bursting, providing a reliable safety margin during manual syringe filtration.

• Certified Sterility: Each filter is gamma-sterilized and individually blister-packed to ensure aseptic integrity for sensitive cell culture and microbiology workflows.

Product Specifications

• Catalog Number: 725-2520

• Membrane Material: Polyethersulfone (PES)

• Pore Size: 0.2 µm (Sterilizing Grade)

• Filter Diameter: 25 mm

• Inlet/Outlet: Female Luer-Lock Inlet / Male Luer Slip Outlet

• Sterility: Sterile (Individually Wrapped)

• Purity: Certified Non-Pyrogenic and DNase/RNase Free.

• Packaging: Pack of 50 units (please verify physical unit).

Key Benefits & Applications

• Cell Culture Media & Additives: The preferred filter for sterilizing FBS, antibiotics, and growth supplements where protein retention is critical to assay success.

• Buffer & Reagent Sterilization: Provides rapid, sterile filtration for laboratory stock solutions and sensitive analytical reagents.

• Protein & Enzyme Purification: Ideal for final clarification steps in chromatography workflows to protect sensitive columns from particulate fouling.

• Biological Sample Preparation: Effectively removes bacteria and large particulates from biological fluids prior to downstream analysis or incubation.

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