28" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w28h28 ensuring it arrives in perfect

ensuring it arrives in perfect condition

high-impact plastic

Solid Base Construction – Features a solid base for stable installation and reliable protection

actual front end outer dimensions are approximately 31

actual front end outer dimensions are approximately 26 5/8" width X 12 5/8" height

28" x 26" Cube Core Eggcrate Return Air Filter Grille for 1" Filter w28h28 ensuring it arrives in perfect+ Product Details Perfect Fit & Easy Sizing Designed for a 28" x 26" OR 26" x 28" duct opening (measured at the opening), with actual outer dimensions of 30. 5" W x 28. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 27. 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