We’ve always run our examination units 24/seven for a minimum of a year—in a single circumstance, for 2 many years—and then retested them using the aged filters and in contrast them with brand-new kinds. In each and every case, there’s been nearly no drop-off in effectiveness for this purifier. (From https://webnowmedia.com/story2251918/what-does-whole-home-water-purifier-mean