LabExact
Grade CFP4 Cellulose Filter Paper, Qualitative, 25µm Retention, 70mm, Fast Flow, 100/Pk SKU: LE-CFP4-070

Featuring premium qualitative cellulose fiber technology delivering the fastest flow rate demonstrated by any qualitative cellulose filter media with approximately 25µm retention capability. This hydrophilic filter paper provides exceptional flow characteristics optimized for high-volume processing applications requiring rapid liquid-solid separations. Very commonly used as the first media in multi-stage filtration processes, this 70mm diameter media delivers superior performance for preliminary filtration stages where fine particulate retention is not critical.

Key Cellulose Membrane Characteristics

Qualitative grade cellulose construction provides consistent 25µm retention for reliable coarse filtration applications
Hydrophilic fiber matrix ensures optimal wetting and flow characteristics with aqueous solutions and biological fluids
Premium white cellulose delivers bright, consistent appearance ideal for visual assessment and photometric applications
Natural cellulose fiber composition offers excellent chemical compatibility with organic solvents and extraction processes
Low ash content below 0.05% minimizes interference in analytical procedures requiring high sample purity

Key Construction Characteristics

70mm diameter format accommodates standard laboratory filtration equipment and Buchner funnel configurations
Medium thickness construction balances rapid flow rates with structural integrity during filtration operations
Nonsterile format provides cost-effective performance for routine laboratory and industrial separation applications
100-count packaging ensures convenient inventory management and consistent availability for high-throughput operations
Random fiber matrix design enables depth filtration mechanism for enhanced particle retention and clarification

LE-CFP4-070 filters maximize processing efficiency through exceptional flow rate performance, making them ideally suited for organic extractions and biological fluid separation processes. Often specified in air monitoring applications where entrapment of fine particulate is not required, these filters accelerate your analytical workflows while maintaining reliable separation performance. The fast-flow characteristics combined with 25µm retention capability transform preliminary filtration stages, delivering rapid clarification for downstream processing and multi-stage filtration systems demanding both speed and consistent particle removal performance.