Quartz Filters are used for air sampling of acidic gases, stacks, flues, and aerosols. Effective at high temperatures up to 964°F (500°C). Meet requirements for EPA PM-10 µm and PM-2.5 µm testing to sample particles down to 2.5 µm. High purity quartz (SiO₂) microfiber filters have low levels of alkaline earth metals, eliminating artifact products of sulfates and nitrates (from SO₂ and NO₂).

CYTIVA Whatman™ Warranties to served market customers are in lieu of all other warranties, expressed or implied, and CYTIVA Whatman™ disclaims all other warranties, including without limitation, the implied warranties of non-infringement, merchantability, fitness for a particular purpose, quiet enjoyment, system integration and data accuracy. CYTIVA Whatman™ limited warranties set forth in the CYTIVA Whatman™ warranty statement shall be enforced by and only by the served market customers.