Glasfloss ZL MERV 11 4" Air Filters, Case of 6

Stay comfortable and breathe easy with these high-efficiency air filters that trap dust and allergens effectively

Product Price

$109.95

Product Review Score

4.33 out of 5 stars

161 reviews

Product Brand

Product Summary

The Glasfloss ZL MERV 11 4" Air Filters are designed to trap a wide range of airborne particles, ensuring cleaner air in your home or office. Packaged in a case of 6, these filters are easy to install and provide reliable performance to keep your indoor environment fresh and comfortable.

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Additional Product Details

  • Actual size: 19-3/8 x 23-3/8 x 3-3/4, nominal size: 20x24x4
  • MERV 11 filtration rating for superior air quality
  • Compares to MPR rating of 1000 to 1200 or FPR 7 rating
  • Recommended to change filters every three months for top performance
  • Features 100% synthetic fibers that are electrostatically charged
  • Thermally bonded for durability and effective filtration
  • Engineered gradient structure helps trap dust and prolongs service life
  • Not suitable for 5" or 4-3/8" depth filters—check your size carefully
  • Proudly made in the USA
  • Great for homes, schools, offices, and industrial spaces

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