99.97% 500 CFM HEPA Filter for Aercology 1B 2226-01, 222601. Guaranteed to fit and perform in centrifugal mist collectors. 12x24x11.5 inches in size, with CARB compliant MDF frame. 99.97% HEPA Filter 12x24x11.5 Inches Outside Actual Dimensions CARB Compliant 3/4" MDF Frame 100% Guaranteed Fit and Performance Used in E 300, E 500, EA 700, EA 900, EA 905 Replaces Aercology 1B 2226-01, 1B222601, 222601 500 CFM Filtra-Systems Micro-Cell HEPA filters filters are designed to meet critical filtration requirements in the most sensitive applications. Micro-Cell HEPA filters are constructed using ultrafine wet-laid microglass filter media and corrugated aluminum pleat separators. Micro-Cell HEPA filters are recommended for use in medical facilities, pharmaceutical mfg., food processing, microelectronics mfg., and nuclear or biological applications. *NOTE: Brand names are used for identification purposes only, and are the intellectual property of the OEM. Filters are OEM Replacements manufactured by Filtra-Systems and are not OEM Brand products unless specifically stated as such. Filtra Supply is not related to the OEM.