Ask Bob Home Maintenance When should I replace my water filter?
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When should I replace my water filter?

Replace refrigerator water filters every six months. Replace under-sink filters every three to six months or as recommended by the manufacturer. Whole-house sediment filters should be replaced every three to six months. If you notice a change in water taste, odor, or flow, replace the filter sooner.

Why It Matters

Old filters can harbor bacteria and reduce water quality. Regular replacement ensures clean, great-tasting water.

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