Clear Plastic Thermostat Guard - See Thru - Solid Base - 8.25" x 5.37" - Extra Large - With Lock & Key w32h32 + Product Details Size –

+ Product Details Size – 10" x 16" or 16" x 10" is the size for the duct opening measurement only

Experience uniform air distribution in every corner

Elevate your air system today and enjoy improved aesthetics and efficient airflow for a comfortable living environment

so you are not left with much waste

+ Product Details Size - 30"w X 28"h is the size for the duct opening measurement only

Clear Plastic Thermostat Guard - See Thru - Solid Base - 8.25" x 5.37" - Extra Large - With Lock & Key w32h32 + Product Details Size –+ Product Details Universal Fit Accommodates almost any thermostat with dimensions of 8 1 4" H x 5 3 8" W x 3 1 2" D. Durable Construction Made from high quality, high impact clear plastic for long lasting performance. Locking Security System Features a built in eight tumbler lock and a supplied key to prevent tampering and maintain consistent temperature settings. Easy Installation Comes with all necessary installation screws for a quick and hassle