30" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return Grille Our innovative adjustable design changes

Our innovative adjustable design changes the game

Designed for optimal airflow and lasting durability

while the included installation screws make setup quick and hassle-free

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

+ Product Details Size - 16"w X 6"h is the size for the duct opening measurement only

30" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Return Grille Our innovative adjustable design changes+ 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