30" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return Grille Designed for optimal airflow and

Designed for optimal airflow and lasting durability

Actual Filter Size – 7 3/4"w x 23 3/4" x 1"

Our innovative adjustable design changes the game

4" X 14" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

Actual Front End Outer Dimensions Are 34" Width X 10" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

30" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return Grille Designed for optimal airflow and+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 10" OR 10" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 12. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 75" x 9. 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