24" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_Anodized Aluminum We carry sizes the big

We carry sizes the big box stores don't

+ Product Details Size – 30"w X 18"h is the size for the duct opening measurement only

High Quality – Solid rigid steel body for durability and reliability with dampers operable by switch for airflow directional control

this solid-base guard ensures long-lasting performance with minimal hassle

actual front end outer dimensions are approximately 42 5/8" width X 12 5/8" height -

24" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_Anodized Aluminum We carry sizes the big+ Product Details Perfect Fit & Easy Sizing Designed for a 24" x 26" OR 26" x 24" duct opening (measured at the opening), with actual outer dimensions of 26. 5" W x 28. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 23. 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