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Winix 5510 Air Purifier
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Buyer question · Filter care
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Our pick
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Short answer
Winix recommends changing both the True HEPA filter and the AOC carbon filter in the Winix 5510 Air Purifier once every 12 months, using its Filter Q replacement set (SKU 1712-0123-00). The pre-filter is permanent: the manual says to clean it once every 14 days instead of replacing it. A Check Filter light shows when the HEPA and carbon filters are due, and Winix notes intervals may vary with your environment.
Winix recommends changing both the True HEPA filter and the AOC carbon filter in the 5510 once every 12 months, and it describes Filter Q as a complete one-year replacement filter set. So the yearly change is planned around a single set rather than separate schedules.
The Winix 5510/5520 manual lists the pre-filter as permanent and says to clean it once every 14 days with a vacuum cleaner or soft brush. If it is very dirty, Winix says to rinse it in room-temperature water without detergent or soap and let it dry for 24 hours or more.
Winix's manual says that when the Check Filter indicator LED is on, it is time to replace the True HEPA and AOC carbon filters. It also says replacement intervals may vary depending on environment, so the light is the cue to watch.
The 5510/5520 manual names Filter Q, SKU 1712-0123-00, as the replacement filter, and Winix's Filter Q page says it is compatible with the 5510, 5520 and 5530. That removes guesswork about which set to buy.

Steps 1-4 follow the filter installation steps in the Winix 5510/5520 user manual (Initial Operation section). Step 5 is from the manual's Replacing Filters section. The manual also says to make sure the unit is unplugged before cleaning or maintaining it.
Figures come from Winix's 5510/5520 user manual and its Filter Q page. The manual covers both the 5510 and 5520 models.
From the maker
Do not operate without a filter.
Ensure filters are inserted before running unit.
Do not wash and reuse the True HEPA Filter and Carbon Filter.
Do not use hot water over 104°F.
Unit will not remove carbon monoxide emitted from heating appliances or other sources.
Before cleaning or maintaining, ensure unit is unplugged.
No. Winix's manual says not to wash and reuse the True HEPA filter and the carbon filter. The pre-filter is the part you clean.
Winix says to use a vacuum cleaner or soft brush. If it is very dirty, rinse it in room-temperature water without detergent or soap, then let it dry for 24 hours or more before using it.
Winix names Filter Q, SKU 1712-0123-00, in the 5510/5520 manual. Its Filter Q page says the set is compatible with the Winix 5510, 5520 and 5530.
Winix's manual says: while the unit is on, hold the Filter Reset button for at least 5 seconds until you hear the beep.
Winix recommends 12 months, but its manual says intervals between filter replacement may vary depending on environment. The Check Filter light shows when the True HEPA and AOC carbon filters are due.
Winix says not to. The manual states not to operate without a filter and to ensure filters are inserted before running the unit.
For the Winix 5510 Air Purifier, plan on one Filter Q set (True HEPA plus AOC carbon) about every 12 months and a pre-filter cleaning every 14 days. The Check Filter light and a 5-second reset make the schedule easy to keep.
Check price on AmazonSmoov Discovery wrote this page from the maker's own product information and retailer copy, listed below. We did not test the product ourselves. Nothing here comes from Amazon.
Photos: Winix (winixamerica.com).
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