
Enjoy clean, healthy air with this Honeywell AirGenius 3 HFD-300 air cleaner/odor reducer that removes up to 99.9% of microscopic airborne particles and pollutants from the air. The permanent filter features a washable design for easy cleaning.
A: it worked well but does not deal well with solids in the air like dust it stated making noise and was unusable within 2 years
Q: Will this handle a large master bedroom?
A: Oh yes I have it in my living room and dining room and it works great
Q: What size room ( dimensions) will this handle?
A: Large room. I have it in a 20 by 15 foot room
Q: How often do you have to change the filter and how much do the filters cost?
A: These have washable filters that can be reused over and over. The machine has a light that comes on to let you know when the filter needs cleaned. I’ve had mine running non-stop for over a month and I haven’t had to clean it yet. There is an optional prefilter that can be replaced I think every 3 months or so but I don’t use it and don’t think it’s necessary.