Filterbuy 18x20x4 Air Filter MERV 8 Essential Dust & Allergy Defense (6-Pack), Electrostatic Pleated HVAC AC Furnace Filters Replacement, Made in USA (Actual Size: 17.50 x 19.50 x 3.63)

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About This UNIVERSAL COMPATIBILITY: 18x20x4 replacement air filters for your furnace, air conditioner, or heat pump enhance HVAC system efficiency and support a healthy lifestyle ( actual size: 17.50" x 19.50" x 3.63") MERV 8 PERFORMANCE: Protect your home or business from pollen, lint, mold, and more with MERV 8 synthetic media (comparable with MPR 700 & FPR 5) that captures 90% of dust without restricting air flow LONG-LASTING FILTRATION: Electrostatically charged media with 8 pleats per foot traps more microscopic particles and lasts 3x longer than fiberglass models (replace every 90 days for optimal performance) SUPERIOR CONSTRUCTION: Easy installation beverage board frames with dual wire backing outperform flimsy cardboard designs by improving durability, preventing warping, and resisting extreme temperatures MADE IN THE USA: Built with industrial-grade, recyclable materials and proudly manufactured 100% in the United States for dependable indoor air quality that is trusted by millions of homes Overview Brand : Filterbuy Material : Aluminum, Plastic, Polypropylene Product Dimensions : 19.5"L x 17.5"W x 3.63"Th MERV Rating : 8 Compatible Devices : Air Cleaner, Air Conditioner, Furnace, HVAC System, Heat Pump Item Weight : 18 Pounds Max Temperature : 200 Degrees Fahrenheit UPC : 717267091428 Air Filter Construction : Pleated Number of Items : 1 Show more