16" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Curved Blade Steel and squirrels

and squirrels

Just run your finger along the edge of the top plate and you’ll find a smooth finished surface

+ Product Details Size - 12"w X 32"h is the size for the duct opening measurement only

Measure the size of the air duct/drywall opening

+ Product Details Size – 36"w X 26"h is the size for the duct opening measurement only

16" x 8" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Curved Blade Steel and squirrels+ Product Details Perfect Fit & Easy Sizing Designed for a 16" x 8" OR 8" X 16" duct opening (measured at the opening), with actual outer dimensions of 18. 5" W x 10. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 15. 75" x 7. 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