22" x 26" or 26" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible With Duct 6in + Product Details Size -

+ Product Details Size - 32"w X 20"h is the size for the duct opening measurement only

Ideal for Walls & Ceilings: Designed for seamless installation in standard 10" X 6" duct openings

1-1/8” - 2334 PSI

Actual Filter Size – 31 3/4"w x 35 3/4" x 1"

22" x 26" or 26" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible With Duct 6in + Product Details Size -+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 26" OR 26" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 28. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 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