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Conversion Kit for 3",4" or 5"+ Filter Racks

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Clean Air For Your Family

Conversion Kit for 3",4" or 5"+ Filter Racks
Conversion Kit for 3",4" or 5"+ Filter Racks
Conversion Kit for 3",4" or 5"+ Filter Racks

What is it for? This kit is designed to reduce your 3",4" or 5" filter rack to a 2" rack.

The 2 inch Air Filter is not included in the kit. You need to purchase it separately.

The kit has been designed to fit every furnace and is easy to install.

Please enter the length (in inches) of the bottom track of your filter rack. See the image with the red arrow for example.

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The filters are well built and easy to wash. I keep 2 on hand. I have one in use and I wash the other one clean to keep on standby for next month. Rotate and repeat!

I will definitely recommend ElectroDust filters to family and friends!
The filter was professionally packaged and well manufactured. The product seems solid and should hold up well.

Thanks, have a nice day.
This exactly what I was looking for to replace the one I was using for the past 10 yrs. I'm quite happy that I could buy them directly from the manufacturer.

By the way they were delivered on time as advertise.

Thanks for a very good product.

Lifetime Warranty, MERV 7 Rating

With lifetime warranty, an ElectroDust filter pays for itself in less than a year. The environment also benefits as less disposable filters end up in landfills.

MERV 7 Air Filters - We explain the MERV rating at the end of this page: https://electrodust.com/pages/benefits

Frequently Asked Questions

Yes, as long as the filter size is the correct dimensions for your furnace there should be no issues.

ElectroDust filters provide higher than industry average air quality and are built to higher standards. Our filters are environmentally friendly, allowing you to wash and re-use them over a 10 year lifespan.

After just 10 months of using our filters, you will begin to realize savings. Furthermore, because ElectroDust filters are more efficient at capturing dust and foreign particles, you won’t require duct cleaning as often, saving you even more money. Less dusting means a healthier home.

It depends on your furnace. Check the dimensions of your opening for the filter. Most furnaces use a 1-inch.

We proudly manufacture our air filters in North America.

Founded in 2001, ElectroDust's mission is to produce high-quality, highly-efficient air filters that are environmentally friendly and easy to maintain.

Lifetime Warranty

Lifetime Warranty

ElectroDust Air Filters come with a limited life time warranty.


Need a Custom Size? No problem!

Enter the dimensions of your filter below to get started.