SKYSONIC (6 Pack) 20x22x1 Furnace & HVAC Pleated Air Filters, MPR 1900 FPR 10, MERV 13 (Actual Size: 19 3/4"x21 3/4"/4")

Six SKYSONIC pleated air filters sized 20x22x1 (Actual Size: 19 3/4"x21 3/4"/4") with ratings of MPR 1900, FPR 10 and MERV 13. Built for use in furnaces, air conditioners, whole-house HVAC systems, air scrubbers, dehumidifiers and residential vents, these pleated filters offer an economical way to improve indoor air quality. For best performance replace the filters every 60 to 90 days; increase replacement frequency to about every 30 days during allergy season or winter. If there is any problem with the product you received, please contact us at any time and we will handle it for you.