Honeywell HRF-A200 Pre-Cut Carbon Pre-Filter For A200 Series Air Purifiers - 4 Pack (Filter A)

In the Box","Pre Filters","Replace Honeywell Pre Filter A every 3 months.","Designed exclusively to fit Honeywell Models: HPA200, HPA201, HPA202, HPA204, HPA250, HPA3200, HPA500, HPA5220 and HPA5250.","For best performance, use only Genuine Honeywell Air Purifier Filters. Compatible air purifier filter replacements are not guaranteed to offer the same performance, efficiency or fit.","From the air that passes through the filter.