20x24x1 Air Filter 4 Pack, MERV 8 Pleated HVAC Furnace Filter Air Conditioner Filter Replacement Dust Defense Furnace AC Protection Durable Lightweight

TOP PERFORMANCE - 20x24x1 air filters are constructed from durable thickened white cardboard that reinforces the overall structure without collapsing, offering an improved capture range and steady high-performance filtration with silent operation.
actual size: 19.78 x 23.78 x 0.79 in HIGH-EFFICIENCY FILTRATION - MERV 8 replacement filters feature more pleats compared to most retail home air filters, and MERV 8 provides better air permeability relative to other MERV ratings, delivering improved airflow and efficiency while safeguarding your equipment from damage and prolonging its operational life CAPTURES TINY PARTICLES - MERV 8 AC 20 24 1 furnace air filters are comparable with MPR 600 and FPR 5, effectively trapping 92% of particles as small as 0.5 microns in the air and filtering out household dust, microscopic particles, lint, dust mites, spores, and pollen, while allowing cleaner air to pass through for a more comfortable and healthier environment WIDE COMPATIBILITY - AC filters are suitable for furnaces, air conditioners, HVAC filters, and house vents. Our compact and stable home filters not only benefit your health but can also save you thousands of dollars in repairs and reduce monthly energy bills, making them ideal for anyone seeking clean and fresh air EASY TO USE - Installing or replacing our 20x24x1 air filters for AC units or furnaces is as simple as it gets.

First, turn off your stove, then simply slide the filter into the air filter return device as indicated by the arrow, and you are done! For optimal performance of your heating, cooling, or HVAC system, change your filters every 60 to 90 days, but increase frequency to 30 days during peak summer and winter months