Millipore® Quartz Fiber Filters

Millipore® AQFA quartz fiber filters are made of very pure quartz fibers with no glass fibers or binders. The pure quartz composition prevents the filters from reacting with acidic gases, unlike glass fiber filters that can react and cause false readings. This makes quartz fiber filters well suited for measuring heavy metal concentrations and small amounts of particles (such as the USEPA PM 10 ambient air monitoring method). Millipore® quartz fiber filters also exhibit excellent weight and form stability.

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