22" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Material_Steel Pre-flared ends with nuts are

Pre-flared ends with nuts are for simple and easy installation

with no sharp edges to worry about

+ Product Details Size - 36"w X 8"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 38 5/8" width X 16 5/8" height -

actual front end outer dimensions are approximately 22" width X 16" height

22" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Material_Steel Pre-flared ends with nuts are+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 24. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 75" x 21. 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