Filterbuy 20x20x6 Air Filter Header (3-Pack) Rigid Cell Filters HVAC (Actual Size: 17.75 x 17.75 x 5.75)

- UNIVERSAL COMPATIBILITY: 20x20x6 replacement rigid cell air filters wit header enhance HVAC system efficiency and support a healthy lifestyle (actual size: 17.75" x 17.75" x 5.75") - MERV 14 PERFORMANCE: Synthetic media protects businesses from bacteria and more while trapping 98% of dust particles without impacting air flow making them perfect in commercial settings (like variable air volume systems) - LASTING FILTRATION: Ultra fine media with an extended surface area collects more contaminants, combats humidity, eliminates fiber shredding, and lasts 3x longer than fiberglass models (replace every 90 days for best performance) - SUPERIOR CONSTRUCTION: Industrial grade galvanized steel frames with wire mesh backings ensure rigidity by withstanding air flow fluctuations - MADE IN THE USA: Built with industrial-grade, recyclable materials and proudly manufactured 100% in the United States for dependable indoor air quality you can trust