Featuring a naturally hydrophilic PTFE membrane with a 0.22um pore size, this 25mm syringe filter delivers rapid, reliable clarification and sterilizing-grade filtration of both aqueous and organic solutions. The membrane is housed in a transparent polypropylene body with a 33mm housing diameter, providing broad chemical compatibility, and presents a 4.6 cm2 effective filtration area with a holdup volume under 100 microliters to minimize sample loss. The female Luer-Lok inlet and male Luer slip outlet create a leak-tight, secure connection to standard syringes.
Key PTFE Membrane Characteristics
- Hydrophilic PTFE membrane wets out readily, making it suitable for aqueous, alcoholic, and aggressive organic samples without pre-wetting.
- 0.22um pore size provides sterilizing-grade retention for clarification and microbial removal.
- Very low protein binding supports high recovery in protein-containing samples.
- Broad chemical compatibility across a pH range of approximately 3 to 12.
- Delivers excellent flow rates with a 4.6 cm2 effective filtration area.
Key Construction Characteristics
- Transparent polypropylene housing with a 33mm housing diameter and a 25mm membrane diameter.
- Female Luer-Lok inlet and male Luer slip (Luer-Lok/Luer Slip) connections for secure syringe attachment.
- Nonsterile, supplied 500 per pack.
- Holdup volume under 100 microliters reduces sample loss and dead volume.
- Maximum operating temperature of 90 degrees C and maximum operating pressure of 80 psi.
This filter maintains sample integrity through consistent retention and low extractable construction, protecting downstream instrumentation and analytical results. The ultrasonically welded housing withstands routine filtration pressures while the hydrophilic membrane delivers fast, even flow. Each unit provides dependable, reproducible performance for demanding laboratory workflows.
- Color
- Transparent
- Connection Type
- Luer-Lok/Luer Slip
- Construction
- Polypropylene housing, ultrasonically welded
- Diameter
- 25mm
- Filtration Area
- 4.6 cm²
- Holdup Volume
- <100 µL
- Inlet Connection
- Female Luer Lock
- Material
- Polytetrafluoroethylene (PTFE)
- Maximum Operating Pressure
- 80 psi
- Maximum Operating Temperature (°C)
- 90
- Outlet Connection
- Male Luer Slip
- Pack Count
- 500
- pH Range
- 3-12
- Pore Size (µm)
- 0.22
- Sterility
- Nonsterile
- Wettability
- Hydrophilic
- Sterile Filtration The 0.22um pore size provides sterilizing-grade retention for removing microorganisms from aqueous and organic solutions.
- HPLC and UHPLC Sample Preparation Clarifies mobile phases and samples to protect columns and detectors from particulates.
- Solvent and Organic Filtration The hydrophilic PTFE membrane handles aggressive organic solvents and alcoholic media with broad chemical compatibility.
- Buffer and Reagent Clarification Removes particulates from buffers and reagents across a pH range of approximately 3 to 12.
- Protein Solution Filtration Very low protein binding supports high recovery when filtering protein-containing aqueous samples.
- Cell Culture Media Filtration Suitable for clarifying and sterile filtering tissue culture media prior to use.