18" X 16" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling flat stamped steel Quality Packaging – carefully shrink

Quality Packaging – carefully shrink wrapped with cardboard backing to prevent damage in shipment

With Insect Net That Will Prevent Mousquitos and Insects From Entering

+ Product Details Size - 18"w X 8"h is the size for the duct opening measurement only

Noise free components - no vibrating louvers etc

making it ideal for preventing tampering or unauthorized adjustments

18" X 16" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling flat stamped steel Quality Packaging – carefully shrink+ Product Details Size 18"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 875" width X 18" 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