14" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Insulated Line Set + Product Description Upgrade your

+ Product Description Upgrade your HVAC system with our 4" Round Air Vent Supply Grille

Premium Airflow Efficiency - High-performance cube core eggcrate design allows 95% airflow efficiency

actual front end outer dimensions are approximately 18 5/8" width X 22 5/8" height

Energy Efficient – Air-tight inner core decreases the pressure loss and provides a more hygienic environment - high energy efficient / No fiberglass erosion into air stream

14" x 30" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Insulated Line Set + Product Description Upgrade your+ Product Details Perfect Fit & Easy Sizing Designed for a 14" x 30" OR 30" X 14" duct opening (measured at the opening), with actual outer dimensions of 16. 5" W x 32. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 13. 75" x 29. 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