Pack: 2 HEPA filters and 2 CARBON Filter.
Compatible with IAF-H-100A Filter A
compatible with Idylis 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. Replace part # IAF-H-100A, IAFH100A.