12" x 6" or 6" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 14.5" X 8.5"] Color_Red Oak + Product Details Size –

+ Product Details Size – 34"w X 34"h is the size for the duct opening measurement only

+ Product Details Size - The listed 12" diameter refers specifically to the size of the duct opening

Aluminum Return Grille Spec Sheet

Screws Included - Easy Unrestricted Air Flow For Your HVAC System

14" x 8" Decorative Wood Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction

12" x 6" or 6" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 14.5" X 8.5"] Color_Red Oak + Product Details Size –+ Product Details Perfect Fit & Easy Sizing Designed for a 12" x 6" or 6" x 12" duct opening (measured at the opening), with actual outer dimensions of 14. 5" W x 8. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 11. 75" x 5. 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 Made