We’ve constantly run our test units 24/7 for a minimum of a yr—in one case, for two years—after which retested them using the aged filters and as opposed them with brand-new kinds. In each scenario, there’s been virtually no drop-off in functionality for this purifier. (Once in a while, we’ve https://crossbookmark.com/story16879746/how-much-you-need-to-expect-you-ll-pay-for-a-good-idylis-air-purifier-replacement-filters