How to Wash a Non-Washable HEPA Filter

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Never saturate, soak or run a HEPA filter under running water. If the paper used in the filter gets wet, it can rip or tear. Never use soaps or solvents to clean the filter. They can break down the filters fibers, leading to rips and tears.

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. The filters should be cleaned at least once every thirty days to remove this buildup and replaced with a new filter every 6 months. If the filter is not routinely cleaned and replaced, the filter will lose efficiency.


Step 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.

Step 2

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

Step 3

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

Step 4

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



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 an expert on do-it-yourself home improvement topics.