Your Cart (0)
Thumbnail Filmstrip of Cellulose Acetate Syringe Filters, 0.7/0.22um, 25mm, Luer-Lok/Luer Slip, Nonsterile, 50/Pk Images
Featuring a multilayer prefiltration stack of glass microfiber media seated ahead of a hydrophilic 0.22um cellulose acetate final membrane, this 25mm syringe filter handles heavily particulate-laden and viscous samples that quickly clog single-layer devices. The graded construction, with a 0.7um glass fiber prefilter protecting the 0.22um CA membrane, lets you push difficult samples through smoothly while still delivering a clean, finely filtered result. The clear polypropylene housing presents a 25mm membrane within a 30mm body and a 4.63 cm2 effective filtration area, withstanding operating temperatures up to 90 degrees C and pressures up to 75 psi.
Key Cellulose Acetate Membrane Characteristics
- Naturally hydrophilic surface that wets readily for fast, low-resistance filtration of aqueous and alcohol-based solutions.
- Low protein binding, supporting maximal recovery of proteins and other sensitive analytes.
- Final retention rated at 0.22um for fine particulate removal and clarification.
- Two integral glass fiber prefilter layers at 0.7um capture sediment and grit, dramatically extending throughput before the membrane clogs.
- Broad suitability for biological fluids, buffers, culture media, and HPLC sample preparation.
Key Construction Characteristics
- Clear polypropylene housing with a 30mm body diameter and a 25mm membrane.
- Female Luer Lock inlet and Male Luer Slip outlet (Luer-Lok/Luer Slip) for secure syringe attachment and convenient dispensing.
- Effective filtration area of 4.63 cm2.
- Nonsterile, supplied 50 per pack.
- Rated to a maximum operating temperature of 90 degrees C and a maximum operating pressure of 75 psi.
The multilayer design replaces several standard syringe filters in a single device, reducing handling steps and plastic consumption while protecting the final membrane from premature clogging. By separating sediment upstream of the cellulose acetate membrane, the filter maintains consistent flow and preserves sample integrity through to the filtrate. The result is reliable, repeatable clarification even with the most challenging, high-solids samples.
- Color
- Transparent
- Connection Type
- Luer-Lok/Luer Slip
- Construction
- Polypropylene housing, ultrasonically welded
- Diameter
- 25mm
- Filtration Area
- 4.63 cm²
- Inlet Connection
- Female Luer Lock
- Material
- Cellulose Acetate (CA)
- Maximum Operating Pressure
- 75 psi
- Maximum Operating Temperature (°C)
- 90
- Outlet Connection
- Male Luer Slip
- Pack Count
- 50
- Pore Size (µm)
- 0.22
- Pre-filter Pore Size
- 0.7
- Prefilter (Yes/No)
- Yes
- Prefilter Material
- Glass Fiber (GF/F)
- Sterility
- Nonsterile
- Wettability
- Hydrophilic
- Difficult Sample Clarification The graded glass fiber prefilters and 0.22um CA membrane clarify heavily particulate-laden and viscous samples that clog conventional single-layer filters.
- HPLC and UHPLC Sample Preparation Removes fine particulates that protect chromatography columns and instrumentation while preserving analyte recovery.
- Protein and Biological Fluid Filtration Low-binding cellulose acetate maximizes recovery of proteins from biological fluids and buffer solutions.
- Cell Culture Media Filtration Hydrophilic CA membrane suits filtration of aqueous culture media and other sensitive solutions.
- Environmental Sample Prep Dual prefilter layers capture sediment and grit, making it well suited to high-solids environmental samples.
- Aqueous and Alcohol Solution Filtration Naturally hydrophilic media delivers fast, low-resistance filtration of aqueous and alcohol-based solutions.