Refrigerators are one of the most-used appliances in the home. We will teach you how to guarantee the filter's effectiveness and prolong the refrigerator's life.   Filter Lifespan and Replacement Cycle   Refrigerator water filters typically last between six months to a year, depending on usage and the quality of your water source. Some manufacturers may provide a specific lifespan for their filters, so it is always important to check the manual or contact the manufacturer for ...