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20x25x4 – Merv 11

20x25x4 – Merv 11
AC Furnace Air Filter
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Product Description

Filter Size: 20x25x4

Actual Size: 19.5×24.5×4

Actual Size Fraction : 19-1/2×24-1/2×4

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20x25x4 MERV 11

Introducing our 20x25x4 MERV 11 Pleated Air Filter – a premier solution for enhancing the air quality in your AC, HVAC, or furnace system. Purchase with confidence from Custom Filters Direct, where we blend quality with the utmost convenience.

Key Features:

  • Dimensions (20x25x4) Optimised: Our filter is precisely created to fit your system precisely, measuring 20x25x4. You can put an end to worries about compatibility because our filter is tailored to your exact needs.
  • MERV 11 Grade – Gold Standard of AFB: With a MERV 11 rating, our AFB Gold filter is among the best in its class for filtration effectiveness. Comparable to filters such as Micro Particle MPR800 or MPR 1200 Allergen, it guarantees outstanding effectiveness in capturing particulates in the air.


Durability & Longevity:

  • Extended Lifespan – Up to 3 Months: Made with durability in mind, this 20x25x4 MERV 11 Pleated Air Filter can operate effectively for up to 3 months. Because of their longer lifespan, air quality is maintained and dependable and requires fewer replacements.
  • Industrial-Grade Construction: Our filters have industrial-grade construction, making them resistant to a variety of situations. These filters are designed to be durable and offer reliable performance in a range of environments, making them suitable for both commercial and household use.


American-Made Quality:

  • Proudly built in the USA: Our 20x25x4 MERV 11 filters are built entirely of materials that are produced in the United States, supporting regional manufacturing. Selecting our filters helps support local industry growth in addition to providing you with a high-quality product.
  • Better Materials: Sturdy beverage boards are used to build the filter frames, which add strength and longevity. These frames hold up well against high humidity and temperatures as high as 200°F. Furthermore, compared to conventional cotton media, the synthetic media utilized in our filters offers noticeably better particle efficiency.


For better performance and peace of mind, choose the 20x25x4 MERV 11 Pleated Air Filter from Custom Filters Direct to upgrade your air filtration with confidence. Today, take in the fresher, cleaner air and feel the difference!