6" X 4" 2-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White w16h16 It features an eight-tumbler lock

It features an eight-tumbler lock with a supplied key for secure access

+ Product Details Size – 18"w X 34"h is the size for the duct opening measurement only

Carefully shrink wrapped with cardboard backing to prevent damage in shipment

actual front end outer dimensions are approximately 8

+ Product Details Size - 36"w X 14"h is the size for the duct opening measurement only

6" X 4" 2-Way Air Supply Grille – Steel HVAC Vent Cover with Damper, Wall/Ceiling Register, White w16h16 It features an eight-tumbler lock+ Product Details Outer dimensions: 7. 75"W x 5. 75"H fits a 6" 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