26" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w18h18 Location – Sidewall and ceiling

Location – Sidewall and ceiling

Rigid Built For External Use – The sturdy and rigid design features noise-free components that eliminate vibration and excess noise to the louvers

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

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

or commercial environments

26" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w18h18 Location – Sidewall and ceiling+ 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