16" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w18h18 Red Oak Wood – A

Red Oak Wood – A true decour upgrade to you HVAC application - adds a touch of warmth & softness to the room

+ Product Details Size - 12"w X 30"h is the size for the duct opening measurement only

3/4” - 2981 PSI

+ Product Details Size - 16"w X 25"h is the size for the duct opening measurement only

16" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w18h18 Red Oak Wood – A+ Product Details Perfect Fit & Easy Sizing Designed for a 16" x 20" OR 20" X 16" duct opening (measured at the opening), with actual outer dimensions of 18. 5" W x 22. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 15. 75" x 19. 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