EPA PM 2.5 PTFE Filters, 46.2mm; 50/pk

PM 2.5 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.
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EPA PM 2.5 PTFE Filters, 46.2mm; 50/pk


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EPA PM2.5 Air Monitoring Membrane Filters Specifications

Alkalinity Max. 25 µeq/g of filter
Test Method: Section 2.12 EPA/600/R-94/038b
Complete Packsize 50 Pieces
Material Polytetrafluoroethylene (PTFE)
Particle Retention [0.3 µm] Min. 99.7%
Test Method: ASTM D 2986-95a
Pore Size 2 µm
Support Ring Yes
Support Ring Material Polypropylene (PP)
Support Ring Width 3.68 mm ± 0.00 to 0.51
Total Support Ring Thickness 0.38 mm ± 0.04