PTFE PM2.5 Air Monitoring Membrane Filter, 2.0um, 46.2mm, w/Support Ring, Seq Numbered, 50 Pack SKU: SF18040

✓ Direct Replacement: This Tisch brand product is a direct replacement for Whatman 7592-104, which is currently experiencing manufacturer production issues. Ships faster and offers cost savings.

Air Monitoring Membrane Filter, 2.0µm, 46.2mm, w/ Support Ring, Sequentially Numbered, 50 pack - SF18040

PM 2.5 Ambient Air Monitoring Filters deliver precise gravimetric determinations for rigorous environmental sampling protocols. Composed of high purity polytetrafluoroethylene combined with a thermally stable polypropylene support ring, these 2.0um membranes maintain a perfectly flat profile to ensure optimal airflow and consistent testing results. Designed to meet EPA requirements under 40 CFR Part 50 Appendix L, the sequentially numbered design provides absolute traceability for strict quality assurance purposes. Environmental professionals trust these robust filters to capture particulate matter with exceptional accuracy and chemical resistance.

Key Membrane Characteristics

• Polypropylene support ring ensures a completely flat membrane surface
• Sequentially numbered design provides absolute sample traceability
• Naturally chemical resistant polytetrafluoroethylene construction
• Low tare mass enables highly accurate gravimetric determinations
• Fully compliant with EPA ambient air monitoring regulations

Securing reliable air quality data requires components you can trust for every single test. When dealing with complex environmental pollutants and strict compliance standards, utilizing these supported PTFE filters guarantees the structural integrity and precision necessary to validate your ambient air sampling efforts. Contact our dedicated customer service team today to request a custom quote, inquire about bulk volume discounts, or ask for technical support and product certifications.

Diameter

46.2mm

Material

Polytetrafluoroethylene (PTFE)

Membrane Thickness (µm)

40.0um

Pack Count

50

Particle Retention

97%

Pore Size (µm)

2.0

Sterility

Nonsterile

Support Material

Polypropylene (PP)

Weight

0.20

Wettability

Hydrophobic

• Ambient Air Monitoring - Capture airborne particulate matter for accurate environmental quality testing and compliance.
• EPA FRM Compliance - Achieve strict regulatory standards required by government agencies for accurate PM 2.5 sample data.
• Gravimetric Analysis - Utilize the notably low tare mass design to achieve highly precise weight measurements every time.
• Environmental Sampling - Deploy these durable membranes outdoors to effectively evaluate complex atmospheric contaminants.
• Network Monitoring Stations - Ensure uninterrupted long term data collection across wide geographical atmospheric testing sites.
• Chemical Pollutant Testing - Leverage the natural resistance of the material to safely filter highly reactive industrial gases.