Filter

---The Filterbuy replacement air filter 21x22x1 (actual measurements: 20.50" x 21.50" x 0.75") ensures that your furnace, air conditioner, or HVAC system is circulating clean air to help preserve your budget and healthy lifestyle. ---MERV 13 synthetic media protects homes by trapping 98% of airborne particles. ---Our electrostatically charged design features 12 pleats per foot and lasts 3x longer than fiberglass models by capturing more harmful particles. ---Industrial-grade beverage board frames with dual wire backings outperform standard cardboard compositions by enduring heat up to 200° F and withstanding exposure to moisture. ---All components are manufactured within the United States and designed with recyclable materials.