30" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 18" Round Duct Pipe + Product Details Size -

+ Product Details Size - 8"w X 36"h X 2"d (for duct opening measurement only)

Exceptional Craftsmanship: Hand-inspected for quality

+ Product Description When it's time to upgrade your HVAC Vents in your house

with actual outer dimensions of 26

+ Product Details Size – 14" x 34" or 34" x 14" is the size for the duct opening measurement only

30" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 18" Round Duct Pipe + Product Details Size -+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 14" OR 14" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 16. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 75" x 13. 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