Tier1 19x20x4-1/4 Merv 11 Replacement for Day & Night Air Filter 2 Pack

Actual Size: 19 1/8 inches (length) x 19 7/8 inches (width) x 4 1/4 inches (depth) Effective Filtration: MERV 11 synthetic media (comparable with MPR 1000 - 1200 & FPR 7) protects homes from pets, allergies, and more High-Quality Contruction: Features an electrostatically charged, pleated design that captures more particles and prolongs the products lifespan by 3 times that of fiberglass models USA Made: Proudly made in the USA from eco-friendly materials Replacement for: Bryant FILBBFNC0021 and Carrier FILCCFNC0021