28"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace - Weather-Resistant Air Grille with Screen Mesh - [Outer Dimensions 29.75"w x 15.75"h] 8" Diameter Design - special "V" shaped 4 X 12 Is CRFG2028 Width_14in

Design - special "V" shaped louvers ensure 100% view block while ensuring easy un-restricted air flow

2" X 10" Brass Victorian Floor Register Grille - Modern Contempo Decorative Grate - HVAC Vent Duct Cover - Brass Plated

+ Product Description Maximize your home’s airflow with this premium Air Supply Grille air supply grille

Actual Front End Outer Dimensions Are 16" Width X 10" Height - SEE IN DESCRIPTION HOW TO MEASURE A GRILLE

+ Product Details Size – 12"w X 10"h is the size for the duct opening measurement only

28"w X 14"h Aluminum Exterior Gable Louver Vent for Walls & Crawlspace Weather Resistant Air Grille with Screen Mesh [Outer Dimensions 29.75"w x 15.75"h] 8" Diameter Design special "V" shaped 4 X 12 Is CRFG2028 Width_14in Design special "V" shaped louvers ensure 100% view block while ensuring easy un restricted air flow 2" X 10" Brass Victorian Floor Register Grille Modern Contempo Decorative Grate HVAC Vent Duct Cover Brass Plated