4" X 10" Modern Floor Register Grille with Dampers - Contempo Decorative Grate - HVAC Vent Duct Cover - Antique Brass Compatible with Duct 8" + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 26" or 26" x 8" duct opening (measured at the opening)

SIZE & COMPATIBILITY - The size of the galvanized steel end cap is 10"

9% Pure Copper meeting ASTM B280 standards

2 Standards - MERV 8 - And An Average Arrestance Of 90-94%

+ Product Details Size – 20" x 30" or 30" x 20" is the size for the duct opening measurement only

4" X 10" Modern Floor Register Grille with Dampers - Contempo Decorative Grate - HVAC Vent Duct Cover - Antique Brass Compatible with Duct 8" + Product Details Perfect Fit+Product Details Size 4"h x 10"w is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 5" width x 11. 5" height. High Quality Solid rigid steel body for durability and reliability with dampers operable by switch for airflow directional control. Installation Location Floor. Design Premium plated finish and modern contempo design forming a luxurious & impressive piece for your home. Quality Packaging