Design – removable door/face for easy filter change & cleaning - uses a 1" thick filter
actual front end outer dimensions are approximately 24 5/8" width X 31 5/8" height
+ Product Details Size - 36"w X 8"h is the size for the duct opening measurement only
+ Product Details Size – 24"w X 24"h
with actual outer dimensions of 26
6" X 6" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Return Design – removable door/face for+ Product Details Size 6"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7. 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