26" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w18h18 Achieve the perfect airflow with

Achieve the perfect airflow with adjustable control by rotating the middle disk

or commercial environments

Location – Sidewall and ceiling

actual front end outer dimensions are approximately 10 5/8" width X 10 5/8" height

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

26" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w18h18 Achieve the perfect airflow with+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 14" OR 14" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 16. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 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