All filters are made in the USA  – Order Today


Premium Filters
Protects all against
Protects all against

18x24x1 – Merv 11

18x24x1 – Merv 11
AC Furnace Air Filter
Rated 0.0 out of 5
0.0 out of 5 stars (based on 0 reviews)

Select Filter Quality

Total Price
Price per filter $0
Quantity Price Per Filter
1 $0.00
2 $0.00
3 $0.00
4-5 $0.00
6-11 $0.00
12+ $0.00

Product Description

Filter Size: 18x24x1

Actual Size: 17.75×23.75×1

Actual Size Fraction : 17-3/4×23-3/4×1

Customer Reviews

Rated 0.0 out of 5
0.0 out of 5 stars (based on 0 reviews)
5 Star0%
4 Star0%
3 Star0%
2 Star0%
1 Star0%

Review this product

Share your thoughts with other customers

Top Reviews

There are no reviews yet. Be the first one to write one.

18x24x1 MERV 11 Pleated Air Filters

Transform your indoor air quality with our exceptional 18x24x1 MERV 11 Pleated Air Filters, available for seamless online purchase exclusively from Custom Filters Direct. These filters are meticulously crafted to provide an unparalleled level of air filtration, creating a healthier and cleaner living environment for you and your loved ones. Dive into the outstanding features that make our MERV 11 filters the ultimate choice for your HVAC system:

Key Features:

  • Advanced Filtration with MERV 11 Rating: Immerse yourself in superior air purification with our 18x24x1 air filters featuring a MERV 11 rating. This advanced synthetic media has the remarkable capability to efficiently capture and trap up to 95% of airborne particles. Dust, pollen, pet dander, mold, and more are effectively filtered out, all while maintaining optimal airflow within your space.
  • Versatile Application: Tailored for compatibility with various HVAC systems, these filters serve as perfect replacements for your furnace or air conditioner. The 18x24x1 size ensures adaptability, making them suitable for both residential and commercial spaces. Experience consistent and reliable air quality throughout your environment.
  • Custom Fit: Precision is paramount, and our filters boast an actual size of 17.5×23.5×0.75 inches to perfectly accommodate 18x24x1-inch HVAC systems. This custom fit ensures a snug and secure installation, maximizing filtration efficiency. With this tailored approach, contaminants are prevented from bypassing the filter, optimizing overall system performance.
  • High-Quality Construction: Crafted with durability in mind, our filters feature electrostatically charged pleated filter media and a robust frame. The reinforced wire backing ensures structural integrity, while the durable frame is resistant to the effects of heat and humidity. These filters are designed for long-lasting performance, providing a reliable solution for your air filtration needs.
  • Extended Lifespan: Change filters every three months with confidence. Our MERV 11 Pleated Air Filters are built to last, offering a 300% longer lifespan compared to traditional fiberglass models. This extended durability ensures consistent protection and air quality without the hassle of frequent replacements, providing you with peace of mind and convenience.
  • Easy Online Ordering: Experience the convenience of online shopping with Custom Filters Direct. Purchase your 18x24x1 MERV 11 Pleated Air Filters effortlessly from the comfort of your home or office. Enjoy a straightforward and hassle-free process, ensuring that premium air filtration is just a few clicks away.


Upgrade your air filtration system effortlessly by choosing our 18x24x1 MERV 11 Pleated Air Filters. Enjoy the convenience of online shopping combined with the assurance of top-notch air filtration for your home or business. Order today and experience the transformative power of cleaner, fresher air delivered straight to your doorstep. Breathe easy, knowing that you’ve invested in a superior solution for your indoor air quality.