26" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_Anodized Aluminum + Product Details Universal Fit

+ Product Details Universal Fit - Accommodates almost any thermostat with dimensions of 8-1/4" H x 5-3/8" W x 3-1/2" D

+ Product Details Size – 30"w X 32"h is the size for the duct opening measurement only

+ Product Description Maximize your home’s airflow with this premium 2-way air supply grille

+ Product Details Size – 24"w X 24"h is the drop ceiling HVAC supply grille size - for T-Bar lay-in

actual front end outer dimensions are approximately 34 5/8" width X 12 5/8" height -

26" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_Anodized Aluminum + Product Details Universal Fit+ Product Details Perfect Fit & Easy Sizing Designed for a 26" x 26" duct opening (measured at the opening), with actual outer dimensions of 28. 5" W x 28. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 25. 75" x 25. 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 from