That's just a trick gone wrong! It doesn't measure the cleanliness of your filter. It's still based on the three-month duration programmed into its chipset. My son accidentally clicked on my new smart filter. So I put it back in my bag and keep it in the packing box again. A few days later I check my application, the quality of my air filter has DECREASED from 100% to 95%. How dirty is the filter? It makes no sense. It is still clean and well packed in the box. coated. In 3 months. The app showed 0% quality and prompted me to replace the filter even though it's still not being used. Serious? I returned the tab but that still doesn't stop him being smart about how much I need to clean my filter. I ended up using it like a normal filter and checking it every month. I used a regular 3 meter filter instead of this bluetooth smart device. I figured the whole point of this new smart Bluetooth would be to know if you rarely use the AC oven so you really don't have to keep changing the air filter. What a waste of time.
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