16" X 10" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 8" Round Duct Pipe + Product Details Size -

+ Product Details Size - 20"w X 20"h is the size for the duct opening measurement only

With Insect Net That Will Prevent Mousquitos and Insects From Entering

ensuring that you find the perfect fit for your ventilation needs

actual front end outer dimensions are approximately 14 5/8" width X 24 5/8" height

16" X 10" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 8" Round Duct Pipe + Product Details Size -+ Product Details Size 16"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 875" width X 12" 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