12" X 10" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Return Actual Filter Size – 27

Actual Filter Size – 27 3/4"w x 27 3/4" x 1"

actual front end outer dimensions are approximately 12 5/8" width X 32 5/8" height -

+ Product Details Size – 25"w X 36"h is the size for the duct opening measurement only

Design – removable frame for easy filter change & cleaning - uses a 1" thick filter

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12" X 10" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Return Actual Filter Size – 27+ Product Details Size 12"w X 10"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 13. 875" width X 12" 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