30" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 8" this thermostat guard is the

this thermostat guard is the perfect solution for residential

actual front end outer dimensions are approximately 15

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 12" OR 12" x 22" duct opening (measured at the opening)

+ Product Details Size – 14"w X 24"h is the size for the duct opening measurement only

Exceptional Craftsmanship: Hand-inspected for quality

30" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Compatible with Duct 8" this thermostat guard is the+ Product Details Perfect Fit & Easy Sizing Designed for a 30" x 14" OR 14" x 30" duct opening (measured at the opening), with actual outer dimensions of 32. 5" W x 16. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 29. 75" x 13. 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