Aerostar 20x20x1 MERV 8 Pleated Air Filter, Made in The USA, 6-Pack(20x20x1)

AC furnace filter made with electrostatically charged synthetic material that draws and captures allergens including lint, dust mites, spores, pollen, pet dander, and fine dust. Regularly replacing your filter helps keep your HVAC unit working efficiently by removing dirt and reducing strain on the motor helping your utility bill and maintenance costs. Change the filter every 60 to 90 days during normal times of year but increase frequency to 30 days during peak summer and winter months when your unit is working the hardest.Nominal: 20 x 20 x 1, size: 19 1/2×19 1/2×3/4 20x20x1, ac furnace air filterComparable to 3M filtrate mpr 600 clean livingComparable to Honeywell Micro Defense Plus FPR 5Fights lint, dust mites, mold spores, pollen, pet dander, and dust