FiltersFast Compatible Replacement for Honeywell FC100A1011 20" x 20" x 5" (Actual Size: 19.75" x 19.875" x 4.375"), 2-Pack MERV 11 Dimensions: 20" x 20" x 5" (Actual Size: 19.75" x 19.875" x 4.375") MERV Rating: MERV 11 2-Pack For Added Convenience Energy Efficient - Saves You Money! Made in the USA!