20x20x4 MERV 11 Pleated HVAC Filter 6 Pack For Your Furnace And AC, Easy Install, Traps Dust, Smoke, Pollen, Mold Spores, Pet Dander, Germs, Dust Mites And Allergens For Cleaner Home Air

20x20x4 MERV 11 Pleated HVAC Filter 6-Pack for Cleaner Air
✔️ Actual size 19 1/2 x 19 1/2 x 3 3/4 in; 6-pack; fits furnaces/AC

These 20x20x4 MERV 11 pleated air filters are designed to slot into most furnace and central AC filter slots. They trap dust, pollen, smoke, mold spores, pet dander, and other fine particles, helping keep indoor air clearer and healthier.

✅ Nominal size: 20x20x4 in (508x508x102 mm)
✅ Actual size: 19.5 x 19.5 x 3.75 in (495x495x95 mm)
✅ MERV 11 rating; traps 0.3-1.0 micron particles
✅ Electrostatic synthetic media for high filtration efficiency with low air resistance
✅ Replace every 60-90 days; more often in peak seasons

💡 What is a MERV 11 pleated HVAC filter used for in a central heating and cooling system?

It helps clean indoor air by trapping small particles while keeping airflow steady.

- Captures dust, pollen, pet dander, smoke, and mold spores down to 0.3-1.0 microns. - Balances filtration efficiency with airflow to protect equipment and improve comfort. - Fits standard 20x20x4 filter slots and is compatible with most furnaces and central AC units.✝️