8" x 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 14in diameter damper-link { color: #5296DD

damper-link { color: #5296DD

+ Product Details Size - 12"w X 28"h is the size for the duct opening measurement only

This versatile guard features air circulating ports on all four sides to allow proper airflow

Design – This airflow control component are made to connect to a drop ceiling lay-in diffuser grille

+ Product Details Size - 22"w X 12"h is the size for the duct opening measurement only

8" x 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling 14in diameter damper-link { color: #5296DD+ Product Details Size 8"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 875" width X 10" 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