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Thumbnail Filmstrip of Glass Fiber Syringe Filters, 3.1um, 25mm, Luer-Lok/Luer Slip, Nonsterile, 500/Pk Images
Featuring a naturally hydrophilic borosilicate glass fiber depth medium with a 3.1um nominal particle retention, these 25mm syringe filters deliver fast, high-capacity prefiltration of heavily loaded aqueous and organic samples. The glass fiber media is housed in a transparent polypropylene housing measuring 33mm in diameter, and the device pairs a female Luer lock inlet with a male Luer slip outlet for secure syringe attachment and convenient sample delivery. Supplied nonsterile in a pack of 500.
Key Glass Fiber Media Characteristics
- Naturally hydrophilic: wets out readily for rapid processing of aqueous and organic solutions without surfactant pretreatment.
- Depth filtration structure: the borosilicate glass fiber matrix retains particulates throughout its depth rather than at a single surface, supporting high dirt-holding capacity.
- 3.1um nominal retention: targets large particulates and sediment, making it well suited as a prefilter ahead of finer downstream membranes.
- High particulate loading: handles turbid and heavily loaded samples while maintaining throughput and minimizing premature clogging.
- Broad compatibility: inert borosilicate construction performs across a wide range of aqueous and organic solutions, solvents, and gases.
Key Construction Characteristics
- Housing material: transparent polypropylene housing, 33mm in diameter, for visual monitoring of the sample during filtration.
- Connection type: female Luer lock inlet and male Luer slip outlet (Luer-Lok/Luer Slip).
- Sterility: supplied nonsterile.
- Maximum operating pressure: rated up to 75 psi, reinforced by an overmolded construction that guards against seam leakage.
- Pack: 500 filters per pack.
Each filter provides reliable, integrity-tested performance that protects sample integrity and reduces the risk of filter bypass. The low hold-up volume design helps recover more of small or costly samples, while the high-capacity glass fiber medium maintains consistent flow even with challenging, particulate-rich matrices.
- Color
- Transparent
- Connection Type
- Luer-Lok/Luer Slip
- Construction
- Polypropylene Housing
- Diameter
- 25mm
- Inlet Connection
- Female Luer Lock (FLL)
- Material
- Glass Fiber (GF)
- Maximum Operating Pressure
- 75 psi
- Outlet Connection
- Male Luer Slip (MLS)
- Pack Count
- 500
- Particle Retention
- 3.1 um nominal
- Pore Size (µm)
- 3.1
- Sterility
- Nonsterile
- Wettability
- Hydrophilic
- Prefiltration of Heavily Loaded Samples The 3.1um glass fiber depth medium rapidly clarifies turbid, particulate-rich samples that would quickly clog finer membranes.
- Downstream Membrane Protection Serves as a prefilter ahead of 0.2um or 0.45um membranes to extend their life and maintain throughput.
- Environmental Sample Preparation Removes sediment and grit from water and environmental samples prior to analysis.
- HPLC and GC Sample Preparation Clears particulates from biological fluids and buffer solutions to protect chromatography columns and instrumentation.
- Protein and Aqueous Solution Clarification Handles viscous and high-solids protein solutions while delivering consistent flow.
- General Solution and Solvent Filtration Provides fast, high-capacity filtration of aqueous and organic solutions across diverse laboratory workflows.