The Whatman™ PM2.5 PTFE Membrane Filter (P/N 7592-104) by WHATMAN / Cytiva is a high-purity environmental monitoring membrane designed for accurate and reliable PM2.5 ambient air sampling. Each pack contains 50 sequentially numbered PTFE membrane filters with robust polypropylene support rings for precise gravimetric measurements and automated robotic sampling systems. Manufactured to meet the requirements of EPA PM2.5 reference methods, these membranes deliver excellent chemical resistance and stability for demanding air quality analysis
Item Attributes
| Part Number | 7592-104 |
| Function | Capture PM2.5 particulate matter for ambient air quality monitoring and gravimetric analysis |
| Brand | WHATMAN (Cytiva) |
| Diameter | 46.2 mm |
| Pore Size | 2 µm nominal |
| Membrane Material | Polytetrafluoroethylene (PTFE) |
| Hydrophobic | Yes — PTFE is hydrophobic by nature (ideal for air sampling) |
