Hamilton Beach is using the True Air (TrueAir) brand name for their Humidifier and Air Purifier Filters. Hamilton Beach TrueAir HEPA Filters, Pre-Filters, Allergen Reduction Filters True Air Filter for models: 04371, 04381, 04150, 04160, 04161, 04152, 04162, 04163 True Air and Hamilton Beach part numbers: 04711, 04712, 04912, 04913, 04922, 04923, 4711, 4712, 4912, 4913, 4922, 4923 True Air Allergen Reduction Air Purifier Filter 04711 TrueAir - $9.99 $9.99 TrueAir Allergen Reduction Air Purifier Filter 04712 True Air - $12.99 $12.99 True Air Air Cleaner HEPA Filter 04912 for 04160 Air Purifier - $34.99 $34.99 True Air Air Cleaner HEPA Filter 04913 for 04162 Air Purifier - $49.99 $49.99 TrueAir Air Cleaner Pre-Filter Carbon 04922 3-Pack for 04161 Air Purifier - $11.99 $11.99 TrueAir Air Cleaner Pre-Filter Carbon 04923 3-Pack for 04163 Air Purifier - $11.99 $11.99 True Air Hamilton Beach Air Purifier UV Germicidal Bulb for TrueAir Air Cleaners - $17.99 $17.99 Search Here: E-mail Us Privacy Policy Shipping Rates View Cart