20" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter steel Actual Filter Size – 23

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

ready to enhance your space

this grille is a testament to high standard craftsmanship

actual front end outer dimensions are approximately 22 5/8" width X 26 5/8" height

As The Hot Air Will Flow Up & Out

20" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter steel Actual Filter Size – 23+ Product Details Perfect Fit & Easy Sizing Designed for a 20" x 16" OR 16" x 20" duct opening (measured at the opening), with actual outer dimensions of 22. 5" W x 18. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 19. 75" x 15. 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