4 Inch Air Filters

Shop the selection of 4 inch air filters for your AC unit at Advanced Filters today! We offer seven different 4 inch ac filters to fit almost any unit. Our store has you covered no matter what size furnace you have with 1 inch air filters, 2 inch AC filters, 4 inch air conditioner filters, and 5 inch air filters. Buy new 4 inch air filters online from Advanced Filters.

Filters In Use

4 Inch Air Filters You Can Count On

At Advanced Filters, we have been servicing the HVAC industry for over 25 years. We know what quality looks like and we've taken that knowledge and put it into our 4 inch air filters. Our 4 inch air filter collection features filters that are perfect for contractors and homeowners alike. We offer AC filters for sale in a variety of sizes and quantities to meet any need.

Keep Your Home Healthy with 4 Inch Air Filters

Having quality filters in your furnace provides a variety of benefits to your home. Unfortunately, replacing your 4 inch AC filter often goes overlooked. Not only will new 4 inch air filters make the air quality in your home better, but they will also save you money in the long run by extending the life of your HVAC unit and reducing repair frequencies.

Frequently Asked Questions About 4 Inch Air Filters

How Often Should You Change a 4 Inch Air Filter?

Knowing how often to change 4 inch air filter is an important piece of information. Changing your filter in the recommended frequency will ensure a healthier home. Typically, a 4 inch air filter should last about 6-8 months. That's why we offer all of our 4 inch AC filters in convenient 2 packs which allows one purchase to last you at least one year.

What is the Difference Between 2 Inch and 4 Inch Air Filters?

There are a variety of differences between 4 inch air filters and 2 inch air filters. The most obvious is the actual size. The extra 2 inches allows for improved filtration and ultimately a much longer lifespan for the filter. 4 inch air conditioner filters are much more common than their 2 inch counterparts.

How to Install 4 Inch Air Filter?

4 inch air filters are relatively easy to install. The 4 inch AC filter will fit inside your HVAC unit. Once you’ve located your unit, simply remove the filter from its packaging and line it up with the slot in the unit, and slide it in.