Check the listing for details. Mystaire FE5004 Downflow Workstation Main Filter. Condition: New. Listed at 589.34 USD. Mystaire™ Downflow Workstation Main FilterSupplier Diversity PartnerSmall and/or diverse supplier based on Federal laws and SBA requirements.Learn More" data-uw-rm-alt-original="SDP" data-uw-rm-alt="ALT">For use with the Mystaire™ Downflow Workstation (FE-WS6). Mystaire™ filters are manufactured to the strictest quality standards in the industry to ensure their capability to meet your application challenges.Supplier: Mystaire™ FE5004 DescriptionProper filtration selection is critical to ensure operator safety from potentially harmful vapors and airborne particulate.Made in the U.S.A.Each filter application is reviewed to ensure a proper filtration package is selectedFilter performance verified by Fourier Transform Infrared Spectroscopy (FTIR)