Activated Carbon Pre Filter A

Honeywell, Universal Activated Carbon Pre Filter, Helps Reduce Common Household Odors Traps More Dirt Particles Than Standard Carbon Filters, Therefore, Maximizing Hepa Filter Life Replace Approximately Every 3 Months Fits Units, All RoundHoneywell Air Cleaners, #17000 Series, #18150 Series, #40100 Series, #40200 Series.