How to Wash a Non-Washable HEPA Filter

Written By
Kallie Johnson
Kallie Johnson
Published: Nov 14, 2010
Updated: Nov 20, 2021
1 minute read

If the filter is not routinely cleaned and replaced, the filter will lose efficiency.

  1. Remove the HEPA filter from the air purifier. This process will vary based on the brand and type of filter you own. If you are unsure how to do this, read the User Manual for the filter model you own.

  2. Dampen a soft cloth in water. Squeeze the cloth to remove excess water.

  3. Wipe down the HEPA filter surfaces. Continue rinsing the cloth and wiping the surface until it is clean.

  4. Allow the filter to air dry before placing it back in the filter.

The Drip Cap

  • A HEPA filter is an air filter, designed to remove dirt, dust, hair and impurities from the air, while trapping those items in the filter.
  • If you are unsure how to do this, read the User Manual for the filter model you own.
  • Squeeze the cloth to remove excess water.
Kallie Johnson

Kallie Johnson began her writing career in 2009, contributing to various online publications. She holds a Bachelor of Arts in English from the University of Nevada, Las Vegas. She enjoys writing home and garden topics and considers herself…

Sponsored
HomeSteady Logo

HomeSteady is the ultimate guide for all your household needs, from cleaning and HVAC to electrical, DIY and maintenance.

Property of TechnologyAdvice. © 2026 TechnologyAdvice. All Rights Reserved

Advertiser Disclosure: Some of the products that appear on this site are from companies from which TechnologyAdvice receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. TechnologyAdvice does not include all companies or all types of products available in the marketplace.