6" x 22" or 22" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 8.5" X 24.5"] Fixed Blades Actual Filter Size – 27

Actual Filter Size – 27 3/4"w x 15 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 30" OR 30" x 20" duct opening (measured at the opening)

Design – Removable face for cleaning and access to damper - wooden damper for airflow shutoff control

Actual Front End Outer Dimensions Are 14" Width X 5" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

6" x 22" or 22" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 8.5" X 24.5"] Fixed Blades Actual Filter Size – 27+ Product Details Perfect Fit & Easy Sizing Designed for a 6" x 22" or 22" x 6" duct opening (measured at the opening), with actual outer dimensions of 8. 5" W x 24. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 5. 75" x 21. 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 Made