14" x 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 10" Round Duct Pipe Actual Filter Size – 21

Actual Filter Size – 21 3/4"w x 7 3/4" x 1"

Close For Winter To Prevent The Cold

and durable finish that resists scratches and maintains a clean

Actual Filter Size – 24 3/4"w x 33 3/4" x 1"

Produced in accordance with ISO 9001-2008 Quality Management System

14" x 4" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 10" Round Duct Pipe Actual Filter Size – 21+ Product Details Size 14"w X 4"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 15. 875" width X 6" 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