BestAir® is your trusted source for top-quality air filters and humidification solutions, ensuring a clean and comfortable indoor environment for you and your family. Our 20x25x4 MERV 11 furnace filter is designed to provide superior protection against airborne contaminants like micro-allergens, pollen, dust mites, pet dander, and viruses. With its high-efficiency design and minimum pressure drop, this filter conserves energy and lowers costs. It captures up to 95% of particles between 0.3 and 10 microns, making it an ideal choice for those seeking improved indoor air quality.
Actual size: 19 3/4″ x 24 5/8″ x 4 1/4″. Compatible with Honeywell® air cleaner models F100B1032, F100B1040, F100F1087, F100F1095, F100F2044, and more. Our MERV 11 20x25x4 furnace air filter is a high-performance replacement filter that fits your needs.
Product Highlights
- 3-pack of MERV 11 furnace filters for added convenience
- Effective against dust, lint, mold, pollen, bacteria, and viruses
- Lasts up to 12 months, making it a low-maintenance option
- Captures 95% of airborne particles for a cleaner indoor environment
- Up to 30% more effective than traditional fiberglass filters



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