313 Replacement Air Filter for AprilAire Whole House Purifiers, MERV 13, 20x20x4 (3 Pack)

The 313 replacement furnace air filter is specifically designed to be compatible with Aprilaire whole house air purifiers, including models 1310, 2310, 3310, and 4300. With dimensions measuring 20 inches by 20 inches by 4 inches, this filter offers a generous filtration area that enhances air purification performance.

Crafted using advanced manufacturing techniques, the 313 furnace air filter features a unique construction. A layer of durable metal mesh is placed over synthetic fiber, and the design is folded into a compact form. This innovative assembly enables the filter to maintain its shape without deformation, even as it contracts vertically.

One of the standout features of this filter is its MERV 13 filtration rating. This designation signifies its capability to efficiently capture airborne particles, including those smaller than typical residential filters can manage. The MERV 13 rating makes it an excellent choice for both residential and commercial applications, ensuring cleaner air quality across various environments.

The materials used in the 313 air filter are notably soft and lightweight, allowing for optimal airflow while effectively removing impurities from the air. The filtration cotton ensures that even with its lightweight properties, the filter maintains high performance, helping to create a healthier indoor environment.

In summary, the 313 replacement furnace air filter is an effective solution for enhancing air quality in conjunction with Aprilaire air purifiers. Its compatibility with multiple models, combined with thoughtful design and high MERV rating, makes it a reliable choice for anyone looking to improve their indoor air quality.

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