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Made in the USA
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Actual Size: 20.75x20.75x4.38"
3 month filters
New look, same great filter
We’re updating the “look” of our filters.
While we do, your air filter will be the correct size & performance, but may look different than the image above. Learn more
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3. Select Delivery Method
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Made in the USA
Ships in 24 Hours
Available In MERV Rating: 8, 11, 13
Made in the USA
Ships in 24 hours
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 MERV 8 |  MERV 11 |  MERV 13 | |
|---|---|---|---|
| Best for | Standard Residential/Commercial Healthy Families | Superior Residential/Commercial Allergy Sufferers | Optimal Residential/Commercial Hospital Grade |
| Comparible ratings | MPR 600 & FPR 5 | MPR 1000-1200 & FPR 7 | MPR 1500 - 1900 & FPR 10 |
| Filtration | Captures 90% of Airborne Particles | Captures 95% of Airborne Particles | Captures 98% of Airborne Particles |
| Dust, lint & debris | |||
| Mold, pollen | |||
| Dander, dust mites | |||
| Smoke & smog | |||
| Bacteria | |||
| Odor, vocs |
Generally, we recommend you replace your air filters every 90 days. Find out below if you should change your filters more often.
Change your filter every
6 weeks
to ensure indoor air quality is at its best.
Change your filter every
2 months
to avoid shedding and odor buildup.
Change your filter every
2-3 months
as having clean air is even more important with children in your home.
Change your filter every
6 weeks
to ensure indoor air quality is at its best.
Change your filter every
2 months
to avoid shedding and odor buildup.
Change your filter every
2-3 months
as having clean air is even more important with children in your home.
So glad to finally find the right size filter I needed. Ordered some online before and didn't fit right. Even my AC company didn't have the right size either. Told my daughter about your company, as she just got a whole house AC replaced. Shipping was super fast too. Sharon
Sharon s.
verified buyerI recently had to order a large box filter for my HVAC system but I did not recall the size. I called Filter Buy and provided my name and shipping address. The prior order was quickly retrieved and I placed my order, which arrived very quickly. This is a top notch company with top notch products.
John W.
verified buyerThe cost was not bad,it's always a good quality and perfect size
Kathleen N.
verified buyer
