3M Filtrete 20x20x4 AC Furnace Air Filter 2-Pack

The 3M Filtrete 20x20x4 AC Furnace Air Filter, MPR 1550, features a high-efficiency MERV 12 rating for enhanced allergen filtration. Compatible with select Honeywell models, this electrostatic filter is Certified Asthma & Allergy Friendly, making it ideal for homes with allergy concerns. Each pack includes two deep pleat filters with actual dimensions of 19.88 x 19.88 x 4.31 inches, designed for both residential and office HVAC systems.