It takes diligence to keep indoor air and water clean. Here's how often you should replace each type of filter.When to replace your refrigerator’s filter depends on how often you use your ...

If your refrigerator dispenses water or has an ice maker, chances are it uses a water filter to ensure you’re drinking clean, fresh-tasting water. However, water filters don’t last forever.

If your refrigerator’s water supply line uses a filter, replace that, too. Dishwashers are equipped with either an automatic filter that grinds food particles so that they wash away with the ...