LabExact
PTFE Tri-Layer Syringe Filter, GF/PP Prefilter, Hydrophobic, 0.22µm, 25mm, 100/Pk SKU: LE-IWT-ES10411

Featuring tri-layer PTFE membrane technology with integrated glass fiber and polypropylene prefilter system delivering superior particle retention for nonaqueous sample preparation applications. Advanced prefilter configuration reduces particle loading on the primary membrane, extending service life while maximizing total throughput capacity even when processing samples with high suspended solids content. Hydrophobic polytetrafluoroethylene membrane construction ensures optimal compatibility with organic solvents and non-aqueous solutions, while the 0.22µm pore size provides reliable filtration for HPLC, GC, and chromatography sample preparation protocols.

Key PTFE Membrane Characteristics

Tri-layer construction combines PTFE membrane with glass microfiber and polypropylene prefilters for enhanced loading capacity and extended operational life
Hydrophobic surface chemistry optimized for organic solvents, acids, bases, and aggressive chemical matrices requiring chemical-resistant filtration
0.22µm absolute pore rating delivers consistent particle retention while maintaining optimal flow characteristics for analytical sample preparation
100% integrity tested construction manufactured in accordance with ISO 9002 standards¹ ensuring validated performance and lot-to-lot consistency
Ultrasonically bonded assembly eliminates adhesive contamination while providing reliable seal integrity under operational pressures

Key Construction Characteristics

Female Luer-Lok inlet with male Luer slip outlet connections accommodate standard syringe systems and laboratory equipment with secure, leak-free operation
Concentric funnel-shaped barrel design increases internal volume capacity while reducing back pressure during sample processing
Clear membrane type identification inscribed directly on filter barrel eliminates confusion and ensures proper filter selection
Robust polypropylene housing construction withstands typical laboratory handling while maintaining structural integrity throughout filtration cycles
Nonsterile configuration ready for immediate use in routine analytical applications without requiring specialized storage protocols

LE-IWT-ES10411 filters achieve exceptional unit-to-unit and lot-to-lot reproducibility, accelerating your analytical workflows through consistent performance characteristics that eliminate variability in sample preparation protocols. Outstanding chemical resistance combined with the tri-layer prefilter system maximizes your filtration efficiency when processing complex matrices, extending filter life while maintaining reliable particle retention. Low extractables profile makes these filters ideal for HPLC analysis applications where sample purity and analytical accuracy are critical, providing confidence in your chromatographic results and method validation requirements.

¹ ISO 9002 Quality Management Systems: https://www.iso.org/standard/16536.html