22" x 32" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 1-Way + Product Details Size -

+ Product Details Size - 12"w X 22"h is the size for the duct opening measurement only

+ Product Details Size – 24"w X 30"h is the size for the duct opening measurement only

+ Product Description Our Clear Plastic Thermostat Guard is the ultimate solution for protecting your thermostat while ensuring universal compatibility

Ideal for VAV systems

actual front end outer dimensions are approximately 22 5/8" width X 10 5/8" height

22" x 32" Cube Core Eggcrate Return Air Filter Grille for 1" Filter 1-Way + Product Details Size -+ Product Details Perfect Fit & Easy Sizing Designed for a 22" x 32" OR 32" x 22" duct opening (measured at the opening), with actual outer dimensions of 24. 5" W x 34. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 21. 75" x 31. 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