Engineered with exceptional strength, providing robust filtration capabilities to efficiently tackle the most demanding HVAC challenges. Glasfloss ZL MERV 10 filters offer upgraded performance compared to MERV 8, while maintaining a similar pressure drop and airflow. Beneficial for pet owners as Glasfloss filters efficiently remove hair & pet dander from the air for a cleaner living space. Air filters feature a moisture-resistant beverage board frame & metal grid that incorporates recycled materials. For premium performance, the 1" inch depth Glasfloss ZL MERV 10 air filter can be used in HVAC systems for commercial and residential properties, school systems, government institutions, and industrial applications. The MERV 10 filter features the latest in media technology to achieve a MERV 10 rating per the ANSI/ASHRAE 52.2 Test Standard, while maintaining low pressure drop and long service life. Glasfloss Z-Line Series MERV 10 filter media is laminated to a heavy-duty, galvanized, metal backing that stabilizes the media during operation. ● Filtration Rating: MERV 10. Comparable to MPR rating MPR 600 to 800, or FPR 5-6 rating . ● Incorporates 100% synthetic fibers which are electrostatically charged, thermally bonded and are manufactured in an engineered gradient structure. The thermally-bonded fibers do not absorb moisture. The engineered grading structure media supports high dust-holding capacity and long filter service life. ● Made in the USA. Ideal for residential, commercial, schools, health care, & industrial filtration applications.