How many hour that the filter last? Does the system is working when the filter shell life remaining hour comes to 0?
Wed Mar 27 2019
Filter shell life
Sun Mar 31 2019Reply from Chris-CBET
it should say on it how many working hours or months before they suggest replacing it. But its not a true expiration date, it is only a recommended replacement for preventative maintenance time frame. In reality, you can use it until you begin to notice diminishment in its performance. All filters operate on this principle. you can reset the hour meter as well.
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Fri Feb 19 2021Reply from Dermo
