Thermo Scientific Syringe Filter 13 mm 0.2 um PES Case of 100 Filters

Thermo Scientific Nalgene 720-1320 Syringe Filter – 13 mm, 0.2 µm PES, Sterile

The Thermo Scientific Nalgene 720-1320 is a high-performance, single-use syringe filter engineered specifically for the rapid sterilization and clarification of small-volume biological solutions. Equipped with a 0.2 µm Polyethersulfone (PES) membrane, this filter provides a highly efficient barrier against bacteria and microbial contaminants, ensuring a sterile filtrate for sensitive tissue culture workflows. The inherently hydrophilic PES material is favored over traditional cellulose or nylon membranes due to its exceptionally low protein-binding characteristics and superior flow rates. Designed to process volumes between 2 and 10 mL, the compact 13 mm housing features an ultra-low hold-up volume to prevent the loss of precious samples. Arriving individually blister-packed and certified sterile, the 720-1320 guarantees clean, reliable filtration for routine laboratory preparations.

Technical Performance and Design

• Ultra-Low Binding PES Membrane: The polyethersulfone matrix exhibits almost zero affinity for proteins and nucleic acids, ensuring that valuable antibodies, enzymes, or dilute biological factors are not lost to the filter during processing.

• 0.2 µm Sterilizing Grade: The absolute 0.2-micron pore size effectively traps bacteria, fungi, and particulate debris, acting as a reliable point-of-use sterilization tool for heat-sensitive liquids.

• Secure Luer Connections: Designed with a Female Luer-Lok inlet that securely threads onto standard syringes to prevent dangerous blow-offs under pressure, paired with a smooth Male Luer Slip outlet for precise dropwise dispensing.

• Visual Identification: The durable polypropylene housing features a molded green color ring and clearly printed membrane specifications, allowing operators to instantly verify the filter type without having to check the outer box.

Product Specifications

• Catalog Number: 720-1320

• Membrane Material: Polyethersulfone (PES)

• Pore Size: 0.2 µm

• Diameter / Volume Range: 13 mm / 2 to 10 mL

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

• Sterility: Sterile (Non-cytotoxic, Non-pyrogenic)

Key Benefits & Applications

• Cell Culture Media Prep: The perfect tool for sterilizing small aliquots of media supplements, antibiotics, and serum immediately before introducing them to a sterile cell culture flask.

• Maximum Sample Recovery: The small 13 mm diameter severely limits the internal surface area, drastically reducing the hold-up volume so you recover nearly 100% of your starting fluid.

• Protein Solutions: Outperforms nylon and cellulose acetate filters when clarifying dilute protein lysates or concentrated stock solutions, actively preventing yield reduction.

• Analytical Prep: Removes micro-particulates from biological buffers to protect expensive downstream analytical equipment, such as HPLC columns or mass spectrometers.

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