4" X 12" Luxury Victorian Floor Register Grille With Dampers - Luxury Contempo Decorative Grate - HVAC Vent Duct Cover - Matte Black w10h10 + Product Details Size –

+ Product Details Size – 8"w X 30"h is the size for the duct opening measurement only

making it compatible with most thermostat models

making it perfect for both residential and commercial installations

+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 22" OR 22" x 28" duct opening (measured at the opening)

actual front end outer dimensions are approximately 36 5/8" width X 10 5/8" height

4" X 12" Luxury Victorian Floor Register Grille With Dampers - Luxury Contempo Decorative Grate - HVAC Vent Duct Cover - Matte Black w10h10 + Product Details Size –+Product Details Size 4"h x 12"w is the size for the duct opening measurement only, actual front end outer dimensions are approximately 5. 5" height x 13. 5" width 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