Fits all Honeywell Round, QuietCare & SilentComfort Series air purifiers; 50000 series, 17000 series, 18150 series, 40100 series, 40200 series & HPA100,200,300 series consoles. (Does not fit HPA towers). Helps deodorize the air and trap larger particles such as dust, lint, fibers and pet fur Reduces common household odors with activated carbon Replace every 3 months Perforated design makes 1 to 8 pre filters depending on the model Kaz is a state of the art, dynamically-managed, global leader in healthcare devices and home comfort products that operates in over 65 countries on six continents with a brand portfolio that includes Vicks, Honeywell, Braun, and more. Untitled Document
I do not recommend Honeywell brand HRF-AP1, HRF-APP1 or 38002 because :(1) Prefilters HRF-AP1, HRF-APP1 or 38002 (all made in Mexico) are thinner and much lower quality than the original prefilter that comes with the air purifier or the generic ones made in US, Korea or China that I bought before. The prefilter 38002 is basically the same quality, thickness and porosity as prefilter HRF-AP1 except for the higher price. I suspect HRF-AP1 and 38002 are the same exact..