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Ships within 48 hours · Estimated delivery Aug 10 - Aug 15
and extended service life
2-2012 independent test
Its innovative design overcomes common issues like media movement
- Rooftop units
the Filter-Fi - Advanced air filter guarantees steadfast performance
4" Inch - MERV 11 4" Inch Filters:16x20x4 and extended service lifeMERV 11 filters are mid range air filters that provide a significant level of air purification, making them a popular choice for both residential and commercial settings. The acronym MERV stands for Minimum Efficiency Reporting Value, a standard that rates the overall effectiveness of air filters. With a MERV 11 rating, these filters can capture airborne particles as small as 1. 0 to 3. 0 microns in size with a high efficiency of up to 85%.
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