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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.
Phil Howell
2025-06-25 15:35:38
I ordered these Glasfloss 20x25x4 MERV 10 4" Inch Pleated Air Filters in a box of 3. I was worried they might come crushed. They arrived boxed in a nice box and were perfect. The filters themselves look outstanding. Being MERV 10 they allow air to move through the system, yet still filter out everything I need filtered. They are also the same size as the Honeywell filter I replaced.
kevin
2025-05-19 19:22:53
Work great, correct size, good quality
DavidK
2025-04-22 17:47:40
Quality feeling
Seonggu Kim
2025-03-26 17:34:00
GOOD
Anthony D Ballard
2025-03-25 18:50:22
Exactly what I needed. Always been happy with this product.
CB
2025-03-23 18:14:27
We have purchased these a few times and all in all they are a really good filter. No complaints
Bruno S. Armand
2025-03-07 18:44:32
Exactly the same size needed for my system, and shipping arrived a day sooner.Good quality for the prize.
formerzygote
2025-01-15 14:26:23
Overall keeps the furnace burners and A/C evaporator clean. I’ve been using these for years and they work great. I add sticky backed foam strips along the edges to help seal the airflow.
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