Air Filter 20x30x1 MERV 13 AC Filter, HVAC, Furnace Filter, 4 Pack ACTUAL SIZE (19.75 x 29.75 x 0.75) AC Filter, Furnace Filter, Allergies, Dust, Pet Dander & Smoke MERV 13 (MPR 1500)

UNIVERSAL REPLACEMENT FILTER: The 20x30x1 air filter measures 19 3/4 x 29 3/4 x 3/4 in to fit neatly into most HVAC systems, air conditioners & furnaces alike. For best fit, measure your current unit to confirm compatibility.
WIDE COMPATIBILITY: Comparable to MPR 1500-1900 & FPR 10, this filter fits smoothly into most brands systems and features an advanced MERV 13 rating to capture microscopic particles, helping to promote clean and fresh indoor air quality.
MAXIMUM PERFORMANCE: For optimal performance, change filters every 60 to 90 days, but increase frequency to 30 days during peak summer & winter months to keep your system running efficiently and to reduce unwanted strain.
ELECTROSTATICALLY CHARGED: These filters contain 100% synthetic electrostatic media for high efficiency with low air flow resistance, making them a cost-effective step towards promoting a healthy home environment.
MADE IN USA: Manufactured by Filtration Group, a world-leading manufacturer and supplier of filtration solutions making the world safer, healthier & more productive everyday