20" x 36" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10" Diameter Installation Location – Wall or

Installation Location – Wall or door mount - door thickness up to 32mm - anodised finish - smooth & beautiful

High quality – High quality solid stamped steel with counter-sunk screw holes (screws included) and no sharp edges

+ Product Details Size - 24"w X 32"h is the size for the duct opening measurement only

actual front end outer dimensions are 15

20" x 36" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10" Diameter Installation Location – Wall or+ Product Details Perfect Fit & Easy Sizing Designed for a 20" x 36" OR 36" x 20" duct opening (measured at the opening), with actual outer dimensions of 22. 5" W x 38. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 19. 75" x 35. 75" x 1" Premium Airflow Efficiency High performance cube core eggcrate design allows 95% airflow efficiency, reducing energy costs and maximizing HVAC system lifespan. Durable, Rust Free Aluminum