Aftermarket 2 pack Idylis C Carbon Filter, Fits Idylis Air Purifiers IAP-10-200 & IAP-10-280, Model # IAFH100C, IAF-H-100C & 302656 2 Pack of carbon pre-filters...Made from BulkFilter Brand Filter Brand carbon filters Use with Idylis Air Purifiers: IAP-10-200 & IAP-10-280 For use with Idylis filter C Filter measures 6.75"x11.75" Made in the USA