34" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum back blades made of black

back blades made of black plastic for reduced air noise and discreet appearance

actual front end outer dimensions are approximately 33

+ Product Details Perfect Fit & Easy Sizing - Designed for a 22" x 36" OR 36" x 22" duct opening (measured at the opening)

+Why Hvac Premium HVAC Premium has been providing superior quality service for many years

+ Product Details Size – 16"w X 16"h is the size for the duct opening measurement only

34" x 16" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Aluminum back blades made of black+ Product Details Perfect Fit & Easy Sizing Designed for a 34" x 16" Or 16" x 34" duct opening (measured at the opening), with actual outer dimensions of 36. 5" W x 18. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 33. 75" x 15. 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