Type: Replacement Filter Size: 10.19" x 4.88" x 3" Used For: Air Purifier Odor Reduction: Yes Feature: Combo pack includes: one 95% efficient HEPA-type filter & 2 premium odor reducing pre-filters Captures pet dander & allergens1 & reduces pet odors Replace HEPA-type every 6 months & odor pre-filter every 3 months Master pack: 3 piece display tray Specification: Honeywell Pet CleanAir models; HHT-013, HHT-016