20" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w26h26 + Product Details Size -

+ Product Details Size - 4"w X 26"h is the size for the duct opening measurement only

75" Width X 17

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

Can be hooked up with our "Butterfly Dampers" for precise airflow control

providing a perfect fit for most standard thermostats

20" X 8" ADJUSTABLE AIR SUPPLY DIFFUSER - HVAC Vent Duct Cover Sidewall or Ceiling w26h26 + Product Details Size -+ Product Details Size 20"w X 8"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 19. 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