32" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_R-4.2 Yellow + Product Details Size –

+ Product Details Size – 14"w X 16"h is the size for the duct opening measurement only

+ Product Details Size – 24"w X 16"h is the size for the duct opening measurement only

+ Product Details Size - 20"w X 10"h X 2"d (for duct opening measurement only)

it ensures long-lasting durability

Polished Pre-Finish Gloss Varnish Ready To Install - Can Also Be Sanded And Re-finished According To Application Needs

32" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_R-4.2 Yellow + Product Details Size –Strong aluminum frame & cube core that never rusts Rigid design with noise free components quiet airflow Cubic core eggcrate design has the highest rate of airflow efficiency