Compatible with:Replacement idylis Filter A, Designed to fit for IAP-10-100, 1AP-10-100 (need 1 idylis A filter), IAP-10-150, 1AP-10-150(need 1 idylis A & idylis B filter), 0302651, IAPC-40-140( need A+B ) AC-2119, AC2119 (need 2 idylis A filters), 2119, 561212. Old number 0302648, 302648, 0302651, 302651, 0302653, 302653 LOWESRAPF-A-4, 412564, 0412564, Model # IAF-H-100A, IAFH100A . Package: 2 * HEPA Filters +2 * Carbon Filters, with I clean free brush Installation and use method:Just remove your old Idylis filter and put the I clean filter back in place!The filter is washable and reusable ensuring long life. Replace Idylis A filters every 6 to 12 months for optimal performance or three (3) to four (4) times per year depending upon usage. Texture:High quality, special design, make it easier when you need to change the filter element.