PES Syringe Filter w/ Glass Fiber Prefilter, Sterile, 0.22µm, 13mm, Luer-Lok, 100/Pk
LabExact SKU: LE-IWT-ES10211

LabExact Polyethersulfone (PES) Syringe Filters, 0.22 µm, 13 mm, 100/Pk - LE-IWT-ES10211

A sterilizing-grade syringe filter delivers point-of-use sterile filtration in a single-use format, without the housing and gasket maintenance a reusable stainless steel filter holder requires. The PES membrane delivers bacterial retention at the rated pore size while relying on modified, not native, surface chemistry and admits aqueous reagents on contact, skipping any surfactant rinse. Low-extractable polypropylene keeps sample purity intact through the filtration pass and ships pre-sterilized with individual packaging for aseptic filtration workflows. When sample preparation calls for a sterile filtrate at the point of injection, sterilizing-grade absolute retention delivers it directly, protecting the analytical method from microbial interference.

Membrane Characteristics

• Sulfone backbone's hydrolytic stability tolerates repeated autoclave steam sterilization cycles
• Mechanical strength keeps the matrix intact under vacuum or pressure
• PFAS extractables test non-detectable under EPA Method 537.1
• Sterilizing-grade PES membrane lots are challenge-tested against Brevundimonas diminuta to qualify 0.2 micron retention
• Compatibility spans both nucleic acid and protein-based filtration

Housing Characteristics

• Each housing is factory-sterilized and sealed individually to maintain sterility through the supply chain
• Polypropylene housing tolerates dilute aqueous acids, bases, and alcohols used in routine sample prep
• Burst pressure rating provides a wide safety margin above the rated maximum operating pressure
• Withstands ethylene oxide gas sterilization without embrittlement or structural damage

Juggling several filter types for one routine clarification eats up your bench time. Consistent aqueous clarification clears particulates without slowing your bench routine the same way every time you run it. Request blanket-order pricing and paperwork support for your routine filtration purchases.

Sterilization Guidance

Sterile single-use packaging removes any in-lab sterilization preparation step.

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

Diameter

13mm

Material

Polyethersulfone (PES)

Pack Count

100

Pore Size (µm)

0.22

Sterility

Sterile

Weight

0.44

Wettability

Hydrophilic

• Sample Recovery - Minimizes sample loss in low-protein-binding applications, delivering high yield for precious or rare biological specimens.
• Media Preparation - Facilitates rapid sterilization of tissue culture additives, lowering contamination risk during sensitive laboratory work.
• Organic Carbon Testing - Clarifies water samples ahead of DOC and UV254 analysis while keeping organic carbon adsorption to the membrane minimal.
• Urine Drug Screening - Clarifies protein-poor urine samples for dilute-and-shoot LC-MS/MS toxicology testing without adsorbing target drug analytes.
• Pesticide Residue Testing - PES membranes improve polar pesticide recovery in food-safety LC-MS/MS testing versus hydrogen-bonding nylon.
• Nucleic Acid Recovery - Processes DNA and RNA extracts with minimal nucleic acid adsorption, preserving yield on the hydrophilic PES surface.