MicroFunnel Plus Filter Funnel w/ Supor Membrane,300mL 0.45um White, Grid,SP,Individ. Bagged,20/Pk
Pall SKU: 4814

Pall MicroFunnel Plus Filter Funnel w/ Supor Membrane, 0.45um, 300mL, 47mm, Gridded - 20/Pk - 4814

Quality controls spanning raw membrane casting through final device verification ensure consistent retention performance across Pall production lots. Each funnel concentrates the organisms and particulates a sample carries onto the membrane face, leaving them ready to lift onto a plate or balance. Low-protein-binding polyethersulfone preserves organisms and analytes for accurate recovery while sustaining fast throughput on large aqueous volumes and draws aqueous samples through readily. Reproducible recovery of the retained organisms and particulates follows, ready for colony counting, gravimetric weighing, or instrumental analysis.

Key Characteristics

• High-flux polyethersulfone speeds filtration of large water and beverage samples
• Low extractables keep the filtrate clean for downstream analysis
• Low protein binding preserves captured organisms and analytes for recovery
• Hydrophilic surface wets aqueous samples without pre-wetting
• Supplied sterile for immediate aseptic microbiological testing

Dependable contamination monitoring protects the water and beverage lots you clear for release. A reproducible membrane seat and a leak-free sample path keep your enumeration results defensible under the standardized membrane filter methods you report against. Reach out to the Tisch Scientific team for application support, volume pricing, and technical assistance with your filtration product selection.

For more information about chemical compatibility, please review our Chemical Compatibility Chart.

Color

White

Diameter

47mm

Material

Polyethersulfone (PES)

Pore Size (µm)

0.45

Sterility

Nonsterile

Wettability

Hydrophilic

• Low-Binding Recovery - The low-protein-binding surface preserves captured organisms and analytes for accurate enumeration.
• Sterility Sample Prep - Hydrophilic PES filters culture media and buffers for membrane-based microbial testing workflows.
• Legionella Recovery - High-flux PES membranes recover Legionella from large water volumes with low background interference.
• Beverage Screening - PES membranes clear large beverage volumes quickly, concentrating spoilage organisms for plate counts.
• Large-Volume Water QC - Polyethersulfone sustains fast flow to filter large potable-water samples for microbial monitoring.
• Environmental Monitoring - Fast-flow polyethersulfone recovers indicator organisms from environmental water samples readily.