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365 days with an average use of 8 hours / day
Sorry, there was a problem. Please try again later.I change mine monthly
Sorry, there was a problem. Please try again later.Hello James, this is Kelly with Dyson. Great question! The filter in your Dyson HP01 Pure Hot + Cool will last you about 4382 hours. If you run your machine 12 hours every single day, the filter should last about a year. Your machine will also flash an 'F' on the display, when it's time to change the filter. Best wishes, Kelly Dyson Customer Support
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