Product details:

High Capacity Pleated Filter Nominal Filter Size 18x24x2 Nominal Height 18 In. Nominal Width 24 In. Nominal Depth 2 In. MERV 10 Frame Type Moisture Resistant Die Cut Chipboard Frame Included Yes High Capacity Pleated Filter Air Filter Media Type Synthetic Filter Efficiency 40 Percent High Velocity 500 fpm High Initial Resistance 0.25 In.WC Final Recommended Resistance 1.0 In.WC Max Velocity 500 fpm Media Area 14.3 sq. ft. Max Temp 180 Degrees F Pleats per Linear Feet 10WARNING: California ResidentsThis product can expose you to chemicals including Styrene, which is known to the State of California to cause cancer and birth defects or other reproductive harm.