20" X 20" X 1" Lifetime Permanent Washable Filter

Permatron 3856-2020LRG | Our#: 177895

1 Year Purchase Guarantee - Free returns for a year, up to $1000 of purchase protection.


Is this the right air filter for you?

If you want to protect your heating and cooling system from dust and dirt - and you are tired of buying disposable air filters, this is the air filter for you!  This durable washable filter is designed to provide great value and last a lifetime. Don't drive around town looking for this filter.  Order online and will quickly ship to your front door!

  • Designed to minimize initial resistance to airflow
  • Reduces the number of pollutants and allergens in recirculated air and keeps your HVAC system clean
  • Uses natural static electricity to attract and capture airborne particles
  • Includes anti-microbial polymeric protection
  • Durable steel frame
  • Dirt won't get caught in the filter during washing - due to specially-designed drainage ports in the filter frame
  • Lifetime warranty
  • Wash every 30 days under normal use
  • Made with pride in the USA
  • 100% free shipping and returns on all filters

What does this air filter remove?

Do you want to know about the technical specs?

Nominal Dimensions 20 x 20 x 1"
Actual Dimensions 19.5 x 19.5 x 0.75"
Filter Media Polypropylene media supported by heavy-duty steel mesh 
Filter Support Grid Steel mesh support grid
Frame Heavy gauge steel
Initial Resistance  0.07" w.g. 
Dust Holding Capacity 110 grams 

Product Documentation

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