Description
875" width X 18" height
please note that the total outer dimensions of the grille measure 12" in diameter
Ring Base Design – Allows for easy installation without removing the thermostat
+ Product Details Size - 30"w X 25"h is the size for the duct opening measurement only
+ Product Details Size - 12"w X 24"h is the size for the duct opening measurement only
34" x 20" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 3-Way or 4-Way 875" width X 18" height+ Product Details Perfect Fit & Easy Sizing Designed for a 34" x 20" Or 20" x 34" duct opening (measured at the opening), with actual outer dimensions of 36. 5" W x 22. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 33. 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