This thing works very well we have pets that have dander and pollen causing allergies. This helped reduce some of that annoyance. I like to use it in automatic mode so it captures events throughout the day. It's a bit small for my entire downstairs to be 100% effective, but I moved it upstairs to the bedroom. I turn on 2 or 3 at night because I like white noise, I have to sleep with a fan on, so now I don't have to worry about the fan getting cold (although BF disagrees 😅). I have registered my product and contacted customer service to make sure I am happy with this product. My only complaint is that the replacement filters are a bit overpriced. Customer service was very helpful in finding me a replacement and answered all of my questions. It's always worth 5 stars in my book. I added a picture, I don't know how she caught the threads, but that's how it is. I've had to change the filter but definitely not every month, in fact you can probably vacuum up and extend the life. EDIT: Auto doesn't do much for my outdoor dining/living area. I decided to check it out because I was wondering if it actually does anything. I switched it to 2 and 3 during the day and am very happy with the difference. The air is much better! It's refreshing! It also helps circulate the air so the room actually gets colder.
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