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Your cart is empty.Product Description
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Measurement System
Minimum Efficiency Reporting Value (MERV)
Rates the ability of filters to trap particles on a scale of 1-20 (smallest microns captured at 20).
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Standard Protection (90%)
MERV 8 Air Filters
Perfect for almost any home or business that wants great indoor air quality at a reasonable rate.
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Superior Protection (95%)
MERV 11 Air Filters
Perfect for homes or businesses accounting for factors like pets, smokers, and allergy sufferers.
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Optimal Protection (98%)
MERV 13 Air Filters
Perfect for larger homes or businesses, and those who want the best possible filtration experience.
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Odor Eliminator (90%)
MERV 8 Air Filters with Activated Carbon
Perfect for homes or businesses that want to inhibit unpleasant smells with reliable MERV 8 quality.
Choosing the Correct Filter Size
Nominal Size vs. Actual Size
The nominal size is a shorthand number rounded to the nearest whole or half inch, normally in a larger font (ex: 16 x 20 x 1). Whereas the actual size is an exact measurement, normally in a smaller font, that depicts the filter's precise dimensions (ex: 15.50 x 19.50 x 0.75). All filters have both.
Measuring Your Air Filter
If your current air filter does not have a dimension listed on the frame, use a tape measure to record the width x length x depth to find the actual size. Then round these measurements up to the nearest inch to find a corresponding nominal size, which will be easier to locate when searching online.
About Us
- The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked.
Better Air For All
Championing indoor air quality
At Filterbuy, we care about the air you breathe because we consider it the foundation for maintaining a healthy lifestyle. Cleaner air is always better, and we are firm believers that everyone, everywhere deserves to breathe it. This is why we work around the clock to ensure that you, your family, and your community have access to clean indoor air, free of allergens and pollutants, that enables you to routinely live free and breathe freely.
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Finding the Perfect Fit
No matter the size, we've got you covered
We now offer a variety of expert services and hundreds of custom air filter sizes that are compatible with a near infinite number of systems, because we know that when it comes to clean air, there isn’t a one size fits all solution. This enables us to always provide value with a quality product that empowers you to protect your home or business, regardless of your filtration needs.
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Green Means Clean
Refreshing new look, same great quality
Our new, green frames are constructed with the same high quality materials that you have grown accustomed to. We made the decision to switch to this greener design to help symbolize the peace of mind that comes from knowing your home or business is being properly cared for. When you see Filterbuy green, you can exhale with the confidence that you are breathing crisp, pure, fresh air.
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100% American Made
Local sourcing and manufacturing
From our first air filter produced in 2013, we have proudly built our business in the USA, now manufacturing in Alabama, California, Florida, Illinois, North Carolina, Pennsylvania, Texas, and Utah. This robust, homegrown network gives us the unique ability to swiftly fulfill diverse, custom orders directly to the doors of households and businesses across the country at premium rates.
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Subscribe and Save
Don't let changing your filter be a burden
The nature of air filters requires them be replaced regularly, but opting into a subscription service can help to simplify that process. All you need to do is find the right product and choose the delivery interval. We do the rest by making sure your filters arrive on time as requested. The majority of our Amazon catalog is already eligible for the program, and you even get a discount on every delivery when you enroll, making it an easy choice.
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Where We Came From
Nearly 70 years of giving back
Our small, family-owned and operated company has evolved since its inception in 1958 to the filtration business that you know and love today with thousands of employees serving millions of customers. As our team continues to expand to new neighborhoods across the country, we make sure to stay true to our values by keeping our commitment to community investment and personal aid at every possible opportunity.
Forrest Erickson
2025-08-26 15:12:14
I mistakenly canceled this order. Thankfully, the order arrived anyway and the filters were exactly what I wanted. Unfortunately, you had already refunded my payment and you also told me I didn't need to return the filters. The cancelation was my fault, the filters are what I wanted, and I would like to return the payment to you. How do I get the payment back to you? Thank you!
Teresa Harris
2025-08-01 15:43:45
Good price and product
Curtis Young
2025-07-11 13:41:27
Great price and made in USA.Made in USA means they have to follow strict guidelines.
Homer
2025-06-06 17:02:39
I have two new Bryant systems and replace the filters very 3-4 months. I was encouraged to use a MERV 8 as it reduces the resistance on the air flow and helps improve any condensation problems on the coils.This filter does the job.The Bryant takes a 5 inch filter. Everyone who uses filters will tell you the size on the filter is not absolute.. There are two sizes noted. The size on the filter and the actual size. I found that the 4 inch filters from most brands were too large and tight. If I went to the 4 inch size, they let too much air flow through the sytem.This filter fits without a problem, It is somewhat tight, but it slides in with only a little pressure and makes a tight fit.If it needs to be removed,, the cardboard cross bars will catch on the vent and tear making the filter useless. So, on removal, it is damaged and over.I do feel the density and thickness of the cardboard construction is less than that on the Honeywell filters. On arrival, the filters need to be handled carefully as they are subject to damage from a slight amount of pressure.Overall, they do the job, fit well and provide an economical way to replace the filters.
Thomas
2025-05-19 16:17:05
Awesome filters for the price. Doesn't seem to restrict the air flow through my HVAC system, but collects enough junk to make it worth it.
L. M. Jezuit
2025-05-05 12:19:38
Like I can have these shipped to my mom’s house from my phone!
Jason Bosh
2025-04-30 19:41:33
Problem with local stores is they only stock this size filter with foam trim on it and that does not work in my furnace. This filter is plain and slides right in if someone holds the little door for me. It’s great!
D.Lohman
2025-04-19 11:57:30
The filters came with some damage in the corners . It looked like the package was mishandled. We have purchased these before with no problems, but this time it looked like the handlers were careless. Love the product before. Just what we wanted. Careless delivery!
Germano bairos
2025-04-10 10:58:00
good product
Me
2025-03-23 17:09:09
It dd not fit as tight as the original General brand. I could get Merv 11 in the original. I wanted Merv 8, I will use these but most likely go back to the original product.
JB
2025-02-23 16:08:18
Took me three times to find a proper filter. These fit perfect
Lornie11
2025-02-19 14:32:08
I change every spring and fall. Good value for the money.
Maxine
2024-11-26 18:46:38
Price. Quality and a perfect fit. Delivery was quick too.
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