SKYSONIC (6 Pack) 18x20x1 Furnace Air Filters, MPR 1900 FPR 10, MERV 13 Pleated Air Filter (Actual Size: .75" 19.75" 0.75")

Fits application of air filters 18x20x1 Furnace Air Filters, MPR 1900 FPR 10, MERV 13 Pleated Air Filter (Actual Size: .75" 19.75" 0.75") The filters are suitable for air conditioners, furnaces, HVAC filters, air scrubbers, dehumidifiers, and house vents to install and cost-effective step for your healthy environment. For optimal use, replace your air filters every 60 to 90 days, but boost frequency to 30 days during allergy and winter . If there is issue with the product you received, you can contact us at any time and we will handle it for you