26" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8in diameter Actual Filter Size – 19

Actual Filter Size – 19 3/4"w x 25 3/4" x 1"

European: EN 10270-1-SM

Smooth powder-coated white finish for a sleek look and scratch resistance

+ Product Details Size – 26" x 36" or 36" x 26" is the size for the duct opening measurement only

26" x 34" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8in diameter Actual Filter Size – 19+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 34" OR 34" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 36. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 75" x 33. 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