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Actual Size: 22.00x28.00x3.63"

3 month filters
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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 |
| Comparable 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.
Not all air filters are built with your home and your health in mind. At Filterbuy.com, we’ve spent decades refining what makes a truly effective 22x28x4 HVAC and furnace air filter: precise fit, durable construction, and filtration media engineered for long-term performance. Based on feedback from tens of thousands of homeowners and extensive in-house testing, we’ve optimized our filters to reduce energy strain, trap more airborne irritants, and maintain cleaner indoor air between replacements. Our filters are proudly made in the USA, shipped directly from our Alabama facility, and supported by a team that understands residential HVAC needs inside and out. This page brings you everything you need to choose the right filter with confidence, rooted in the experience we bring to every product we manufacture.
1. Perfect Fit & Performance
22x28x4 filters built for large residential HVAC systems
Designed for strong airflow and long life
2. MERV Ratings for Every Need
MERV 8: Dust
MERV 11: Allergies
MERV 13: Fine particles, smoke, and viruses
3. Backed by Research & Experience
Supports EPA, NIH, and DOE data
Field-tested and customer-approved
4. Boosts Efficiency & Air Quality
Can cut energy use by 5–15%
Helps reduce allergens and airborne pollutants
5. Made in the USA, Delivered Fast
Free shipping
Bulk options and auto-delivery are available
When it comes to protecting your home’s air quality, the 22x28x4 HVAC and furnace air filter plays a vital role. Designed for optimal airflow and superior particle capture, this size is ideal for larger residential units that demand both performance and precision. At Filterbuy.com, every 22x28x4 filter is crafted in our U.S.-based facility using industrial-grade, pleated media that traps 90% or more of airborne contaminants—like dust, pollen, mold spores, and pet dander—without restricting airflow or overworking your system.
We offer multiple MERV rating options, including MERV 8, 11, and 13, so you can select the right level of filtration based on your family’s specific needs—whether that’s everyday dust protection or advanced allergy defense. Each filter is engineered to last up to three months, helping you save on energy bills and HVAC maintenance over time.
With fast, free shipping and bulk-pack options for cost savings, Filterbuy delivers convenience, quality, and peace of mind—straight to your doorstep.
“Over the past two decades, we’ve seen how overlooked filter sizing and quality can quietly impact a home’s air quality and energy bills. That’s why our 22x28x4 filters are engineered not just to fit, but to perform. Each one reflects what we’ve learned from years of customer feedback, lab testing, and real-world HVAC system analysis. It’s more than just filtration—it’s about helping families breathe easier, save money, and trust what’s circulating in their air.”
Our experience at Filterbuy shows that air filters do more than just trap dust—they impact your health, energy bills, and HVAC system longevity. Here’s what the data and our customers tell us:
Backed by the EPA
We see this often in homes with poor ventilation or infrequent filter changes.
Why it matters: Our filters are built to remove fine particulates and improve indoor air quickly.
Proven by the NIH
Ideal for allergy- or asthma-prone homes
We recommend this rating for households with pets, kids, or respiratory sensitivities.
Supported by the U.S. Department of Energy
Our customers report fewer service calls and lower utility bills with regular replacements.
Built-in efficiency: Our 22x28x4 filters are designed for optimal airflow and long service life
At Filterbuy, we know filters—because we build them, test them, and hear from customers who rely on them every day. Here’s what we’ve learned:
Not all filters are created equal. Our 22x28x4 filters are engineered to do more than just fit—they’re designed to solve real-world problems like poor air quality and rising energy costs.
Performance matters more than specs. We’ve refined our filters through:
First-hand feedback from homeowners
Data from HVAC professionals
In-house testing for airflow, efficiency, and longevity
The result?
Cleaner indoor air
Lower utility bills
A better breathing experience for your family
Bottom line: Choosing a high-quality filter like our 22x28x4 model is more than routine maintenance—it’s a smart investment in your home’s health and comfort. And we stand by that—because we’ve seen the difference firsthand.

Take these simple actions to get the right 22x28x4 HVAC filter for your home:
MERV 8: Basic dust protection
MERV 11: Great for allergy relief
MERV 13: Maximum filtration for fine particles, smoke, and viruses
Buy in bulk to save
Set up auto-delivery to stay on schedule
Made in the USA
Fast, free shipping
Satisfaction guaranteed
Replace your old filter with the new one
Change every 90 days for peak performance
It depends on your needs:
MERV 8: Great for basic dust and debris.
MERV 13: Best for high-efficiency filtration—traps smoke, bacteria, and fine particles.
Every 90 days is recommended for most homes. If you have pets, allergies, or run your system frequently, consider replacing it every 60 days for optimal air quality and efficiency.
No—filter size must match your specific system. Always check your existing filter or system manual to confirm size compatibility before ordering. Filterbuy’s dimensions are actual size, not nominal, so you get a true fit.
Yes! All Filterbuy air filters are manufactured in our facility in Alabama, ensuring consistent quality, local jobs, and faster delivery times nationwide.
Absolutely. Filterbuy offers bulk packs with discounted pricing and free shipping. You can also set up auto-delivery for long-term savings and peace of mind.