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Air Purifier Filter Bi-Annual

How to Clean and Replace an Air Purifier Filter

Most modern air purifiers have multiple stages of filtration. Knowing which filters to vacuum and which ones to throw away is key to maintaining healthy indoor air.

Time Required Varies
Difficulty Varies
DIY Skill Varies

Why It Matters

Learn how to maintain an air purifier, including which filters to clean, which to replace, and how often to service them.

Before You Start

  • Unplug the purifier.
  • Check whether the filter is washable or replaceable.
  • Have the correct replacement filter available if the existing filter is disposable.
  • Avoid washing filters that the manufacturer labels as non-washable.

Step-by-Step Guide

1

Turn off and unplug the purifier.

2

Open the filter compartment.

3

Remove the filter and inspect it for heavy dust or damage.

4

Vacuum or wash it only if the manufacturer permits cleaning.

5

Replace disposable filters when their service interval has been reached.

6

Clean the filter housing and intake grille.

7

Reinstall the filter correctly and reset the filter indicator if applicable.

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Common Mistake to Avoid

Rushing through the process or using the wrong tools. Always use appropriate gear and follow recommended guidelines.

Frequently Asked Questions

What is a pre-filter vs a HEPA filter?

The pre-filter is usually a washable mesh or black carbon sponge on the very outside. It catches large pet hair and dust bunnies. The HEPA filter is the white, pleated paper filter inside that catches microscopic pollen and smoke. You can wash the pre-filter, but you must replace the HEPA filter.

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