Filterbuy 20x21x5 Air Filter MERV 8 Dust Defense (2-Pack), Pleated HVAC AC Furnace Air Filters Replacement for Lennox and Electro-Air (Actual Size: 19.88 x 20.50 x 4.38 Inches)
20x21x5 replacement whole house air filters for your furnace, air conditioner, heat pump, or HVAC system (actual size: 19.88" x 20.50" x 4.38")
Compatible Models: Lennox Filter Part Number (X8790), Housing Part Number (PCO14-23)
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 (100% US made) filters capture more harmful particles and last 3x longer than fiberglass models
Industrial-grade beverage board (recyclable) frames with dual wire backings outperform standard cardboard designs
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