12" x 22" or 22" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w30h30 Actual Filter Size – 13

Actual Filter Size – 13 3/4"w x 33 3/4" x 1"

Marked circles for cutout

+ Product Spec Sheet Corner Baseboard Grille Spec Sheet

+ Product Details Size - 24"w X 14"h is the size for the duct opening measurement only

Ideal for Walls & Ceilings: Designed for seamless installation in standard 10” x 8” duct openings

12" x 22" or 22" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w30h30 Actual Filter Size – 13+ Product Details Perfect Fit & Easy Sizing Designed for a 12" x 22" or 22" x 12" duct opening (measured at the opening), with actual outer dimensions of 14. 5" W x 24. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 11. 75" x 21. 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