About this item

• 18x18x1 replacement air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 17.75" x 17.75" x 0.75")
• MERV 8 synthetic media (comparable with MPR 600 & FPR 5) protects homes from dust, pollen, and more by trapping 90% of airborne particles without impacting air flow
• Electrostatically charged, pleated filters capture more harmful particles, last 3x longer than fiberglass models, and are 100% manufactured within the United States
• Industrial grade beverage board (recyclable) frames with dual wire backings improve structural integrity and outperform standard cardboard designs