Prefilter, Universal Carbon

The Honeywell HRF-AP1 Universal Pre-Filter helps deodorize the air and traps larger particles such as dust, lint, fibers, and pet fur. - Filter A - replaces 38002 Universal Pre-Filter - Reduces common household odors with activated carbon1 - Helps maximize HEPA filter life - Replace every 3 months to maintain freshness - Package contains 1 large pre-filter. The perforated design makes 1-8 pre-filters depending on the air purifier model. Fits all Honeywell Round, QuietCare™, & SilentComfort ™ Air Purifiers including: 10500 series, 10590 series, 11150 series, 12500 series, 13300 series, 13503, 13520 series, 13530 series, 14500 series, 17000 series, 18100 series, 40000 series, 50100 series, 50150 series, 50200 series, 50250 series, 50300 series, 51000 series, 52000, 5250 series, 53000 series, 60500 series, 61000 series, 62000 series, 63000 series, and 64000 series. There is also a premium version of this pre-filter which offers enhanced household gas reduction. The Honeywell HRF-APP1 Premium Odor Reduction Universal Pre-Filter helps capture certain harmful gases such as ammonia. This filter is also available in a 4 pack.