16" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 14" Round Duct Pipe Actual Filter Size – 23

Actual Filter Size – 23 3/4"w x 9 3/4" x 1"

+Why Hvac Premium HVAC Premium has been providing superior quality service for many years

+ Product Details Size – 12"w X 20"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 18 5/8" width X 34 5/8" height

+ Product Details Size - 25"w X 34"h is the size for the duct opening measurement only

16" X 12" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 14" Round Duct Pipe Actual Filter Size – 23+ Product Details Size 16"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17. 875" width X 14" 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