HQRP 2-Pack Air Cleaner Filter for Hamilton Beach True Air Glow Allergen Reducer 04385 / TrueAir Compact Pet 04384 Air Purifier Coaster HQRP&reg; 2-pack Air Purifier Filter plus HQRP&reg; Coaster; Replaces Hamilton Beach part 990051000; Easy to install; NOTE: This filter is not washable; Replace every 12 months; Dimensions approximately: 11.7" x 5" x 1.1"; Essential For Allergy Sufferers; Compatible with Original filter; 2 weeks DOA replacement warranty!