16" X 14" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 8" Diameter Tamper-Proof Locking Mechanism – Includes

Tamper-Proof Locking Mechanism – Includes an eight-tumbler lock with a supplied key to prevent unauthorized access

actual front end outer dimensions are approximately 20 5/8" width X 8 5/8" height

Perfectly suited for both residential and commercial use

actual front end outer dimensions are approximately 36 5/8" width X 12 5/8" height

16" X 14" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 8" Diameter Tamper-Proof Locking Mechanism – Includes+ Product Details Size 16"w X 14"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 875" width X 16" height. High Quality High quality steel construction, no scuff powder coat durable finish, smooth, shiny, scratch resistant, no sharp edges, 2 recessed screw holes on each side with screws included, screws same color as vent cover, easy installation. Adjustable airflow control Adjustable airflow