20" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14in diameter + Product Details Size –

+ Product Details Size – 22"w X 6"h is the size for the duct opening measurement only

with actual outer dimensions of 38

} /* TITLE TEXT */ #hvac-product-accordion

ensuring consistent temperature control

Contorl Lever To Adjust Louvers According To Season - Complete Open For Summer To Release The Heat

20" x 6" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 14in diameter + Product Details Size –+ Product Details Perfect Fit & Easy Sizing Designed for a 20" x 6" OR 6" x 20" duct opening (measured at the opening), with actual outer dimensions of 22. 5" W x 8. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 19. 75" x 5. 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