10" X 4" 3-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White w30h30 75"H – fits a 16"

75"H – fits a 16" X 12" duct opening

24" x 6" Aluminum Spiral Duct Air Vent Grille Cover - Fully Adjustable Double Deflection HVAC Air Supply

actual front end outer dimensions are approximately 34 5/8" width X 30 5/8" height

luxurious finish adds a touch of sophistication to any room

+ Product Details Size - 12"w X 18"h is the size for the duct opening measurement only

10" X 4" 3-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White w30h30 75"H – fits a 16"+ Product Details Outer dimensions: 11. 75"W x 5. 75"H fits a 10" X 4" duct opening Durable stamped steel construction ensures long lasting performance Designed for sidewall and ceiling installation with included screws Multi shutter damper with easy lever for precise airflow control Smooth powder coated white finish for a sleek look and scratch resistance + Product Description Maximize your homes airflow with this premium Air Supply Grille air supply