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

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"x19 1/2"x3/4" 20x20x1, ac furnace air filter
• Comparable to 3M filtrate mpr 600 clean living
• Comparable to Honeywell Micro Defense Plus FPR 5
• Fights lint, dust mites, mold spores, pollen, pet dander, and dust