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Thumbnail Filmstrip of PES Syringe Filters w/ Glass Fiber Prefilter, 0.45um, 25mm, Luer-Lok/Luer Slip, Nonsterile, 10/Pk Images
Featuring a multilayer construction that pairs a graded glass fiber depth prefilter with a final 0.45um polyethersulfone (PES) membrane, this 25mm syringe filter clarifies heavily loaded samples in a single pass. The naturally hydrophilic PES membrane delivers fast flow and low protein binding, while the glass fiber prefilter handles sediment, grit, and viscous matrices that would rapidly blind a single-layer filter. The PFAS-free construction makes it suited to trace analytical work where forever-chemical contamination must be avoided.
Key PES Membrane Characteristics
- Naturally hydrophilic PES membrane wets out readily for fast, even flow of aqueous solutions
- 0.45um pore size provides reliable particulate removal and sample clarification
- Low protein binding and low extractables help maximize sample recovery and analyte integrity
- Broad chemical compatibility supports aqueous, organic, and alcohol solutions
- Graded glass fiber prefilter intercepts contaminants progressively, preventing premature clogging
Key Construction Characteristics
- Clear (transparent) polypropylene housing for visual confirmation of sample flow
- Female Luer Lock inlet and Male Luer Slip outlet (Luer-Lok/Luer Slip) connections
- PFAS-free, nonsterile filters supplied 10 per pack
- 25mm membrane diameter with a 4.63 cm2 effective filtration area
- Rated to a maximum operating temperature of 90 degrees C and maximum operating pressure of 75 psi
The dual-layer design processes significantly more sample volume than a standard single-membrane filter, reducing the number of devices needed for difficult matrices. Integrity-tested housing welds eliminate filter bypass, and the low protein binding membrane preserves sample integrity for demanding analytical applications.
- Color
- Transparent
- Connection Type
- Luer-Lok/Luer Slip
- Construction
- Polypropylene housing
- Diameter
- 25mm
- Filtration Area
- 4.63 cm2
- Inlet Connection
- Female Luer Lock
- Material
- Polyethersulfone (PES)
- Maximum Operating Pressure
- 75 psi
- Maximum Operating Temperature (°C)
- 90
- Membrane Color
- Transparent
- Outlet Connection
- Male Luer Slip
- Pack Count
- 10
- Pore Size (µm)
- 0.45
- Pre-filter Pore Size
- 0.7
- Prefilter (Yes/No)
- Yes
- Prefilter Material
- Glass Fiber
- Sterility
- Nonsterile
- Wettability
- Hydrophilic
- Sample Clarification Removes particulates and turbidity from viscous or heavily loaded samples before analysis.
- HPLC and GC Sample Prep Provides clean, particle-free injections to protect columns and detectors.
- PFAS Trace Analysis PFAS-free construction supports accurate quantification of forever chemicals at trace levels.
- Environmental Sample Preparation Handles sediment-rich water, soil extracts, and effluent samples with the glass fiber prefilter.
- Protecting Downstream Membranes The graded glass fiber prefilter extends the life of final filtration steps when processing dirty samples.
- General Particulate Removal Clears suspended solids from aqueous, organic, and alcohol solutions in routine lab workflows.