12" X 10" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Copper Coil + Product Details Size -

+ Product Details Size - 28"w X 34"h is the size for the duct opening measurement only

+ Product Description Our Clear Plastic Thermostat Guard is the ultimate solution for protecting your thermostat while ensuring universal compatibility

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Its locking eight-tumbler mechanism and supplied key safeguard your thermostat from tampering

actual front end outer dimensions are approximately 34 5/8" width X 38 5/8" height

12" X 10" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling Copper Coil + Product Details Size -+ 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