Compact 20x25x4 MERV 13 AC & Furnace Air Filters, Box of 4

Engineered with exceptional strength, the Glasfloss Z-Line series MERV 13 pleated filters feature the latest in media technology performance, providing robust filtration capabilities to efficiently tackle the most demanding HVAC challenges. Optimized for "LEED" compliance, these air filters are beneficial for pet owners, as they efficiently remove hair and pet dander from the air for a cleaner living space.

The 4-inch depth Glasfloss ZL MERV 13 air filters for AC and furnace are designed with a moisture-resistant beverage board frame and metal grid that incorporates recycled materials. The filtration rating is MERV 13, which is comparable to MPR rating 1900 to 2200, or FPR 10 rating.

These filters incorporate 100% synthetic fibers that are electrostatically charged and thermally bonded, manufactured in an engineered gradient structure. This engineered grading structure media supports high dust-holding capacity and long filter service life, making them ideal for residential, commercial, school, apartment, business, and industrial filtration applications.

Manufactured in the USA, the Glasfloss Z-Line Series MERV 13 filters are designed for premium performance in HVAC systems for commercial and residential properties, school systems, government institutions, apartments, businesses, and industrial applications. The MERV 13 filter features the latest in media technology to achieve MERV 13 while maintaining low pressure drop and long service life.

The efficiency rating of these filters meets the air filtration efficiency criteria required to earn points toward certification in the Leadership in Energy and Environmental Design (LEED) Green Building Rating System. The filter media is laminated to a heavy-duty metal backing that stabilizes the media during operation, ensuring durable and long-lasting performance.

With a nominal size of 20x25x4 and an actual size of 19-1/2 x 24-1/2 x 3-3/4, the 4-inch depth Glasfloss ZL MERV 13 air filters are recommended for residential or commercial use, with a recommended change every 3 months. These filters are suitable for homes, businesses, schools, apartments, hotels, and industrial applications, and they do not replace 5-inch or 4-3/8-inch depth filters, so it is essential to check the actual filter size needed.

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