Pamlico Air 20x24x4 MERV 8 Pleated AC Furnace Air Filters. 3 Pack. (Actual Size: 19.38 x 23.38 x 3.75 millimeteres)

EXACT DIMENSIONS: 19-3/8 x 23-3/8 x 3-3/4 | NOMINAL SIZE: 20 x 24 x 4 | Does not replace 5" or 4-3/8" depth filters. 20x24x4 FILTRATION LEVEL RATING: MERV 8; MPR 600; FPR 5. Captures 90% of airborne particles without inhibiting air flow. Traps particles such as dust; mold spores; pollen; lint; pet dander; debris; hair. IMPROVE AIR QUALITY: Our air filters are made using an advanced pleated technology that offers more air coverage; enhance particle capture performance and helps extends the life of your furnace; air conditioner; or HVAC system. WELL-MADE; DURABLE CONTRUCTION: Constructed from a two-piece frame provides rigidity and durability. Electrostatically charged pleats captures more harmful particles and prolongs the products lifespan by up to 3 times over fiberglass filters. Industrial-grade dual side beverage board frames outperforms standard one-sided cardboard designs. MADE IN USA. Suggested to replace at least every 3 months for optimal performance.