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Filter Replacement Calculator in New Oxford, PA
Find out when to change your refrigerator water filter, range hood filter, dishwasher filter, dryer vent and HVAC filter.
Recommended replacement or cleaning intervals in months. Shorten intervals with heavy use, pets, hard water or poor water quality.
| Filter | Interval | Notes |
|---|---|---|
| Refrigerator water filter | Every 6 months | Replace every 6 months, or sooner if water flow drops or ice tastes off. |
| Range hood grease filter (metal) | Monthly | Clean monthly in hot soapy water or the dishwasher. Replace charcoal filters every 3-6 months. |
| Range hood charcoal filter (ductless) | Every 4 months | Replace every 3-6 months; charcoal cannot be cleaned. |
| Dishwasher filter | Monthly | Rinse monthly; more often if you do not pre-rinse dishes. |
| Dryer vent duct | Yearly | Clean the full vent run yearly. Clean the lint screen every load. |
| HVAC / furnace filter (1 inch) | Every 2 months | Replace every 1-3 months; monthly with pets or allergies. |
| HVAC media filter (4-5 inch) | Every 9 months | Replace every 6-12 months. |
| Window AC filter | Monthly | Wash monthly during the cooling season. |
| Humidifier pad / wick | Every 4 months | Replace each season, or when it is stiff with scale. |
| Reverse osmosis pre-filters | Every 9 months | Replace every 6-12 months; the membrane every 2-3 years. |
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