22" x 26" or 26" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Grille Actual Filter Size – 25

Actual Filter Size – 25 3/4"w x 33 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 14" x 24" OR 24" X 14" duct opening (measured at the opening)

+ Product Details Size – 25"w X 12"h is the size for the duct opening measurement only

Actual Front End Outer Dimensions Are 16" Width X 4" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

actual front end outer dimensions are 17" Width X 17" Height

22" x 26" or 26" x 22" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Grille Actual Filter Size – 25+ 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