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Actual Size: 17.25x35.25x1"

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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.
When it comes to maintaining a healthy home, the right air filter plays a crucial role—it's not just an accessory to your HVAC system, but a key element in safeguarding your well-being. At Filterbuy, we’ve seen firsthand how choosing the correct air filter size, like the 17.25x35.25x1, can significantly enhance both indoor air quality and HVAC efficiency.
From our extensive testing and real-world experience, we’ve learned that it’s more than just trapping dust or allergens; it's about creating an environment where you can breathe easier and live healthier. Our expert analysis shows that the right filter size not only improves airflow but also reduces strain on your HVAC system, ensuring it works more effectively and lasts longer. In this guide, we’ll explain why this specific filter size is a game-changer, offering insights from our own testing and practical experience to help you achieve cleaner, healthier air in your home.
Better Air Quality: The air filters with MERV 11 rating can collect the allergens, dust, and pet dander.
Energy Savings: Using new filters can save energy in the HVAC system by up to 15%.
Improved HVAC Efficiency: It augments the good flow of air, trims down strain, and maintains the life of the system.
Simple Maintenance: It is easy to install and replace, requiring only 1-3 months.
Tangible Results: Air, bill, and system differences are all very noticeable.
"From our hands-on experience and extensive testing, we’ve found that selecting the right air filter size, like the 17.25x35.25x1, isn’t just about cleaner air—it’s about optimizing your HVAC system’s performance and creating a healthier home environment. The right filter can significantly reduce allergens, improve airflow, and ensure your system runs more efficiently, all of which contribute to a more comfortable living space."
Here’s a quick breakdown of key statistics that support the value of the 17.25x35.25x1 air filter:
Statistic: MERV 11 filters capture up to 85% of airborne particles (dust, pollen, pet dander).
Insight: Switching to a MERV 11 filter significantly reduces allergens, improving air quality.
Source: Filter King
Statistic: Replacing a dirty filter can cut energy use by 5%-15%.
Insight: Timely filter changes, like using the 17.25x35.25x1, reduce HVAC strain, saving energy and lowering bills.
Source: The Spruce
Statistic: High-efficiency filters (up to MERV 13) don’t significantly impact energy consumption but offer better filtration.
Insight: The 17.25x35.25x1 offers excellent filtration without overloading the HVAC system, improving both airflow and energy efficiency.
Source: Filtration News

To recap, the 17.25x35.25x1 air filter is superior in many ways and is the solution to the air quality and HVAC efficiency problem. Here:
Enhanced Air Quality: Its MERV 11 capability allows it to filter the likes of pollen, dust, and pet dander very effectively thereby giving you a healthy living space.
Energy Savings: The regular change of filters like the 17.25x35.25x1 can reduce the energy consumption of your HVAC system by up to 15%, hence financially benefiting you via utility bills.
Increased HVAC Efficiency: This filter not only cleans well but is also well-matched to the system. This gets the air circulation and the equipment life back on track.
From firsthand experience, I’ve seen how upgrading to a higher-quality filter like the 17.25x35.25x1 leads to:
Cleaner air, with fewer allergy flare-ups.
Reduced energy bills thanks to more efficient HVAC operation.
Improved comfort and system performance in homes.
Recommendation:For anyone looking to improve their home’s air quality and HVAC efficiency, I highly recommend the 17.25x35.25x1 filter. It offers measurable benefits that extend well beyond just cleaner air.
Follow these simple steps to maximize the benefits of your new air filter:
Measure your current filter to confirm it matches 17.25x35.25x1.
Buy a MERV 11 17.25x35.25x1 filter from a trusted source.
Turn off your HVAC system.
Remove the old filter and replace it with the new one.
Set a reminder for monthly checks.
Monitor improvements in air quality, energy bills, and system performance.
Note any changes in comfort or allergies.
By following these steps, you’ll enjoy cleaner air, improved HVAC efficiency, and energy savings.
A 17.25x35.25x1 air filter is designed to fit HVAC systems and air conditioners that require this specific size. It helps trap airborne particles like dust, pollen, and pet dander, improving indoor air quality and ensuring the system runs efficiently.
It is recommended to replace your 17.25x35.25x1 air filter every 1-3 months, depending on usage, the environment, and the manufacturer’s guidelines. In homes with pets or high dust levels, more frequent changes may be necessary.
The MERV (Minimum Efficiency Reporting Value) rating indicates the air filter's efficiency in capturing particles. MERV 8 filters are good for basic dust and dirt, MERV 11 filters offer better filtration for allergens, and MERV 13 filters provide superior filtration for fine particles like bacteria and viruses.
Yes, using a 17.25x35.25x1 air filter with a higher MERV rating (such as MERV 11 or MERV 13) is ideal for allergy sufferers. These filters can capture smaller particles like pollen, dust mites, and pet dander, which helps reduce allergic reactions.
You can purchase a 17.25x35.25x1 air filter at various home improvement stores such as Home Depot, Lowe's, and Walmart. Online retailers like Amazon and specialized HVAC suppliers also carry these filters for convenience.