28" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_White The included eight-tumbler lock and

The included eight-tumbler lock and supplied key provide secure access

4" X 14" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

+ Product Details Perfect Fit & Easy Sizing - Designed for a 36" x 14" OR 14" x 36" duct opening (measured at the opening)

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 6" OR 6" x 24" duct opening (measured at the opening)

+ Product Description Upgrade your HVAC system with our 5" Round Air Vent Supply Grille

28" x 14" Cube Core Eggcrate Return Air Filter Grille for 1" Filter Color_White The included eight-tumbler lock and+ Product Details Perfect Fit & Easy Sizing Designed for a 28" x 14" OR 14" x 28" duct opening (measured at the opening), with actual outer dimensions of 30. 5" W x 16. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 27. 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