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HVAC Premium has been providing superior quality service for many years
+ Product Details Size - 16"w X 6"h is the size for the duct opening measurement only
+ Product Details Size - 26"w X 26"h is the size for the duct opening measurement only
Design – Rigid gauge built for durability and long life in mind
+ Product Details Size - 28"w X 34"h is the size for the duct opening measurement only
14" x 24" Cube Core Eggcrate Return Air Filter Grille for 1" Filter return grille HVAC Premium has been providing+ Product Details Perfect Fit & Easy Sizing Designed for a 14" x 24" OR 24" X 14" duct opening (measured at the opening), with actual outer dimensions of 16. 5" W x 26. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 13. 75" x 23. 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