Featuring hydrophobic PVDF membrane technology with integrated glass microfiber and polypropylene prefilter construction delivering superior particle retention and extended throughput capacity for demanding analytical applications. The tri-layer configuration combines 0.45µm PVDF filtration with upstream prefiltration stages, maximizing sample loading while maintaining consistent flow characteristics throughout extended filtration cycles. Ultrasonically bonded construction with clearly inscribed barrel identification ensures reliable performance and eliminates confusion during multi-sample processing workflows.
Key PVDF Membrane Characteristics
- Hydrophobic PVDF membrane delivers exceptional chemical compatibility with organic solvents, acids, and aggressive reagents
- Lowest protein adsorption among syringe filter options maximizes recovery of valuable proteins and biomolecules
- 0.45µm pore size provides reliable particulate removal while maintaining optimal flow rates for sample preparation
- Permanent hydrophobic treatment ensures consistent wetting behavior and eliminates membrane variability
- Superior chemical stability withstands harsh analytical conditions without membrane degradation or extractable contamination
Key Construction Characteristics
- Tri-layer design with glass microfiber and polypropylene prefilters increases dirt-loading capacity and extends filter life
- Concentric funnel-shaped barrel geometry reduces back pressure while maximizing filtration volume capacity
- Luer-Lok™ connection system provides secure, leak-tight syringe attachment for reliable sample processing
- 25mm diameter housing accommodates 10-100mL sample volumes with minimal holdup volume waste
- Pigment-free polypropylene construction minimizes UV-absorbing extractables for chromatographic applications
LE-IWT-ES10405 filters achieve excellent unit-to-unit and lot-to-lot reproducibility, ensuring consistent analytical results across your sample preparation protocols. Essential for HPLC sample preparation by removing particulate matter and maintaining sample integrity for downstream chromatographic analysis. The integrated prefilter system prevents premature membrane blocking, accelerating your sample processing while delivering reliable filtration performance for protein solutions, biological fluids, and organic solvent applications requiring validated analytical accuracy.
- Diameter
- 25mm
- Material
- Polyvinylidene Fluoride (PVDF)
- Pack Count
- 100
- Pore Size (µm)
- 0.45
- Sterility
- Nonsterile
- Weight
- 0.168
- Wetability
- Hydrophobic
- Whatman Equivalent
- 6872-2504