Enhance the air quality in your home with the Honeywell \"A\" Odor Reducing Air Purifier Pre-Filter HRF-AP1. This high-quality filter has a lifespan of 3 months and features carbon filter media that effectively deodorizes the air in your home. The Honeywell HRF-AP1 pre-filter is tailored to fit Honeywell air purifiers, making it easy to install and use. The pre-filter's filtration technology is a must-have for air purifiers as it helps prolong the life of the HEPA filter, ensuring the air purifier operates optimally while keeping the air in your home clean and fresh.