This filter does a great job of keeping my bedroom air clean and removes the allergens that are bothersome to me. With no pets or smokers in our home, one of these filters usually lasts for 10 to 12 months.
This is the second Holmes air purifier I've bought. The first one I had for over 10 yrs. I have two dogs one a golden retriever, I can't imagine my house with my Holmes!!!
I bought this humidifier to replace an older Honeywell cool mist unit that I was having a problem finding filters. This using doesn't need a filter but should be de-scaled about once a month during use which it relatively easy to do. When full, the reservoir lasts about 10 or 12 hours.
I really like the air filters. I was a bit disappointed with the promotion. I thought I was paying for one box of two filters and getting one box of two filters free. What in fact happened was I paid for one filter and got the second one free. The problem is that my unit needs both filters so I wasn't really getting any bargin
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