Polyethersulfone (PES) Syringe Filters - SPEC18108
Featuring hydrophilic polyethersulfone membrane technology with 5.0µm pore size for gross particle filtration and primary clarification applications. Pre-sterilized filters deliver fast flow rates characteristic of PES membranes while protecting downstream filtration systems from large particulates. Polypropylene housing construction combined with double Luer Lock connections ensures chemical resistance and secure operation at pressures up to 72.5psi across diverse biological sample preparation workflows.
Key PES Membrane Characteristics
- Naturally hydrophilic membrane provides immediate wettability for aqueous biological solutions without pre-treatment
- Low protein binding properties minimize sample loss, even with large pore size prefiltration applications
- 5.0µm pore size removes gross particulates and debris, protecting expensive downstream 0.45µm or 0.22µm filters
- Fast flow rates accelerate sample processing compared to other membrane materials at similar pore sizes
- Excellent compatibility with cell culture media, buffers, and biological samples in life science applications
Key Construction Characteristics
- Polypropylene housing delivers superior chemical resistance while withstanding temperatures up to 80°C
- Double Luer Lock design featuring female inlet and male outlet prevents disconnection during pressurized filtration
- Minimal holdup volume (<150µl typical for 25mm format) maximizes recovery of valuable biological samples
- 4.9cm² effective filtration area optimizes flow rates for rapid processing of heavily particulate samples
SPEC18108 filters optimize your laboratory efficiency through superior PES flow rates combined with effective gross particle removal backed by a 2.9psi bubble point. Pre-sterilized packaging ensures your samples remain contamination-free while the 116psi burst pressure provides substantial safety margin for confident operation. Your biological workflows benefit from the 25mm format's increased filtration area, delivering faster processing of particle-laden samples.
For more information about chemical and material compatibility, please review our Chemical Compatibility Chart.
- Bubble Point (psi)
- 2.9psi
- Burst Pressure (psi)
- 116psi
- Connection Type
- Double Luer Lock
- Construction
- Polypropylene (PP)
- Diameter
- 25mm
- Material
- Polyethersulfone (PES)
- Maximum Operating Pressure
- 72.5psi
- Maximum Operating Temperature (°C)
- 80℃
- Pack Count
- 100
- Pore Size (µm)
- 5.0
- Sterility
- Sterile
- Wetability
- Hydrophilic
- Gross particle removal from cell culture - Clarifies harvest samples containing cell debris before fine filtration
- Protection of sterile filters - Extends the lifespan of expensive 0.22µm filters by removing large contaminants first
- Serum prefiltration - Removes aggregates and precipitates from serum samples before sterile filtration steps
- Biological buffer clarification - Fast processing of buffers containing visible particles or precipitates
- Environmental sample preparation - Clarifies turbid water samples for subsequent microbiological analysis
- Protein solution prefiltration - Low-binding membrane preserves protein concentration during clarification