This Honeywell B+ Pre-Filter helps capture larger impurities and activated carbon reduces unpleasant smells and VOCs.* To ensure efficiency and performance, it's important to replace the pre-filters every three months. This 1-pack of air purifier pre-filter works with these Honeywell models: HHT-055/HHT-155/HHT-080/HHT-081/HHT-085/HHT-090/HHT-100/HHT-145/HHT-149/HPA-050/HPA-150/HPA-245/HPA-249/HPA-248 Series, HPA060 Series, HPA160 Series. A Honeywell Air Purifier with a Honeywell Certified filter will filter and circulate air up to 4.8 times an hour in the stated room size.**If you have pets or stale indoor air, air purifiers help deliver cleaner, fresher air. Always purchase Genuine Honeywell replacement air purifier filters. They are certified to help capture unpleasant smells and the following impurities: pollen, pet dander, and smoke.* Other compatible filter replacements are not guaranteed to offer the same performance or efficiency. Disclaimers: * From the air that passes through the filter.**Based on 3rd party independent CADR testing for the smoke CADR value when operated at the highest level. Air circulation depends on many factors, such as room size and configuration. There is no guarantee that all of the air in a room will pass through the filter.

Untitled Document .chartOneCell { background-color: #707070;border: 1px solid #CCC;padding-right: 5px;font-weight: bold;color: #FFF;font-size: 12px;vertical-align: middle; } .chartOneCell img { } 1. Choose the best air purifier for your needs
 = recommended = acceptable = not recommended   Doctor Recommended for Allergen Reduction For General Air Cleaning   True HEPA Allergen Remover HEPAClean® QuietClean® AirGenius® Smoke Pollen Dust Pet
Dander Mold
Spores Germs Odors VOCs *Purchase "K" pre-filter for QuietClean® Odor and VOC Reduction 2. Choose your room size
       Length x Width = Total Square Feet   True HEPA
Allergen
Remover HEPAClean® QuietClean® AirGenius® Small
51-99 sq. ft. Medium
100-145 sq. ft. Medium-Large
146-199 sq. ft. Large
200-349 sq. ft. Extra Large
350+ sq. ft. 3. Find the right replacement filter   True HEPA
Allergen
Remover HEPAClean® QuietClean® AirGenius® Pre-filters
captures large particles/reduces odors Medium
captures allergens/
small particles Permanent
Washable Permanent
Washable