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25x25x1 – Merv 11

25x25x1 – Merv 11
AC Furnace Air Filter
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Product Description

Filter Size: 25x25x1

Actual Size: 24.5×24.5×1

Actual Size Fraction : 24-1/2×24-1/2×1

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Order 25x25x1 Air Filters Online

If you want to keep your HVAC system running smoothly year-round, it’s important to invest in high-quality Custom Filters Direct 25x25x1 air filters that are designed specifically for your heating and cooling system. These filters will help keep dust and particles from getting into your home through the HVAC system.

There are many benefits of installing our 25x25x1 air filters in your HVAC system. Our filters help to keep the air you breathe clean and fresh, which is particularly important for those with respiratory conditions or for anyone who spends a lot of time indoors. They can also help to protect your investment by preventing costly damage from dirt and dust.

Manufactured in the USA in our own factory, our filters come with a unique design to capture small size particles. If there are kids or pets at home, or your house has a lot of traffic, having Custom Filters Direct 25x25x1 air filters can help keep the air in your house cleaner. In addition to improving your air quality, these air filters also lower your energy costs and extend the life of your unit.

Over time, the air filters become dirty and need a replacement. Dirty air filters don’t let the clean air pass through and make the HVAC unit work harder. So, we strongly suggest replacing your air filters every 30 to 90 days.

We have MERV 8, MERV 11, and MERV 13 Air Filters


MERV 8 AC and furnace air filters are a good fit for most common households. These filters catch 85% of airborne allergens 3.0 -10 microns in size.


These air filters provide excellent filtration to keep your home’s air clean and healthy. They are more efficient and remove more than 85% of harmful contaminants 3.0 to 10.0 microns and 1.0-3.0 microns in size.


These AC and furnace air filters have the highest efficiency to remove particles from the air. MERV 13 filters remove more than 90% of the particles 3.0-10.0 microns and 50% of particles 0.3-1.0 microns in size.

25x25x1 Air Filters Delivery

Air filters are essential for keeping your home’s air clean and healthy. They remove pollutants from the air, including dust, pollen, cigarette smoke, and other particles. Custom Filters Direct makes it easy and convenient to buy 25x25x1 HVAC and furnace filters online. We offer a subscription service, so you will get a pack of new filters delivered to your door at an interval of your choice. You can also choose the one-time delivery and get huge discounts on bulk orders. Place your order now!