12" x 32" or 32" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10in diameter with actual outer dimensions of

with actual outer dimensions of 12

actual front end outer dimensions are approximately 20 5/8" width X 14 5/8" height

+ Product Details Size – 36"w X 22"h is the size for the duct opening measurement only

this thermostat guard is the perfect solution for safeguarding your temperature controls

12" x 32" or 32" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 10in diameter with actual outer dimensions of+ Product Details Perfect Fit & Easy Sizing Designed for a 12" x 32" or 32" x 12" duct opening (measured at the opening), with actual outer dimensions of 14. 5" W x 34. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 11. 75" x 31. 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