22" x 28" Cube Core Eggcrate Return Air Filter Grille for 1" Filter white actual front end outer dimensions

actual front end outer dimensions are approximately 16 5/8" width X 34 5/8" height

actual front end outer dimensions are approximately 10 5/8" width X 30 5/8" height

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12" x 2" Decorative Wood Air Vent HVAC Duct Cover Grille - Polished Finish Red Oak Wood - 2-Way Air Direction

but you will appreciate the benefits over the period of time

22" x 28" Cube Core Eggcrate Return Air Filter Grille for 1" Filter white actual front end outer dimensions+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 28" OR 28" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 30. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 75" x 27. 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