26" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8" Diameter luxurious finish adds a touch

luxurious finish adds a touch of sophistication to any room

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7/8" - 3397 PSI

Design – Circular return valves - designed to be used in low and medium pressure ventilation air conditioning systems

actual front end outer dimensions are approximately 36 5/8" width X 10 5/8" height

26" x 12" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 8" Diameter luxurious finish adds a touch+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 12" OR 12" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 14. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 75" x 11. 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