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Whatman PM2.5 PTFE Membrane Filter, GE Healthcare


GE’s Whatman PM2.5 PTFE membrane filters are designed for PM 2.5 ambient air monitoring. These high-purity, thin filters are sequentially numbered and come with chemically resistant polypropylene support rings.

  • Polypropylene support rings for robotic air sampling
  • Thermally stable design eliminates curling, keeps the membrane flat, and makes the filter robot-friendly
  • Sequentially numbered filters
  • Low tare mass for accurate gravimetric determinations

Ambient air monitoring requires a chemically resistant air sampling filter that can withstand environmental pollution potentially containing a variety of contaminants and can still deliver accurate results.

PM2.5 PTFE membrane filters from GE Healthcare’s Life Sciences business also feature a thermally stable design, making them ideal for ambient air monitoring. These membranes come in a polypropylene support designed for use in robotic air sampling.

These air sampling filters comform to the PTFE Filters for EPA PM 2.5 Reference Method, under the requirements of 40 CFR Part 50, Appendix L.



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Description Material Diameter Pore Size Ring Material Supplier No. Catalog Number Unit List Price Quantity
PM2.5 Air Monitoring Membrane, PTFE, 46.2 mm with support ring, sequentially numbered Polytetrafluoroethylene (PTFE) 46.2 mm 2 µm Polypropylene (PP) 7592-104 F-3001-46 Pack of 50 Retrieving


Thickness 0.38 mm ± 0.04 (total support ring thickness)
Width 3.68 mm ± 0.00 to 0.51 Test Method; template, (support ring width)
Particle Retention 99.7% [0.3 mu m] Min., Test Method: ASTM D 2986-95a
Alkalinity 25 µeq/g of filter (Max.) Test Method: Section 2.12 EPA/600/R-94/038b
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