We’ve usually operate our test units 24/seven for at least a yr—in one circumstance, for 2 several years—and after that retested them using the aged filters and as opposed them with brand-new types. In every scenario, there’s been just about no drop-off in efficiency for this purifier. (Sometimes, we’ve even https://sitesrow.com/story6614249/how-much-you-need-to-expect-you-ll-pay-for-a-good-r-o-water-purifier-for-home