Uploaded July 2025 | Updated September 2026, 6 days ago

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Comparison of MERV, FPR, and MPR ratings for air conditioner and furnace filters, and why air purifiers are more efficient removing particulates and odors than high performance air filters.

In this video:

• Definitions of MERV, MPR, and FPR. 00:43
• MERV, MPR, and FPR filter performance. 1:57
• Air purifier versus A/C & furnace filters. 2:57
• Why three ratings systems? 4:29