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    Sigma Aldrich

    PM2547050

    PTFE for PM2.5 Particle Monitoring, PTFE, hydrophobic, 2.0 µm, 47 mm, white, plain, polypropylene ring, sequential serial number

    PTFE for PM2.5 Particle Monitoring, PTFE, hydrophobic, 2.0 µm, 47 mm, white, plain, polypropylene ring, sequential serial number

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