12" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Fixed Blades Actual Filter Size – 13

Actual Filter Size – 13 3/4"w x 33 3/4" x 1"

Design – Removable face for cleaning and access to damper - wooden damper for airflow shutoff control

also called T-Bar systems

actual front end outer dimensions are approximately 7

Installation is simple

12" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Fixed Blades Actual Filter Size – 13+ Product Details Size 12"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 875" width X 8" 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