Clear Plastic Regal Thermostat Cover - Ring & Solid Bases - 6-3/8" x 3-1/2" 14in diameter + Product Details Size -

+ Product Details Size - 32"w X 16"h is the size for the duct opening measurement only

Actual Filter Size – 19 3/4"w x 9 3/4" x 1"

+ Product Details Size – 20"w X 36"h is the size for the duct opening measurement only

this thermostat guard combines dependable security with a professional and attractive appearance

Clear Plastic Regal Thermostat Cover - Ring & Solid Bases - 6-3/8" x 3-1/2" 14in diameter + Product Details Size -+ Product Details Durable Construction Made with clear, high impact plastic to provide reliable and long lasting protection for your thermostat. Two Mounting Base Options Includes both a solid base and a ring base. The ring base allows installation without removing the thermostat, offering maximum flexibility. Locking Security System Features a built in eight tumbler lock and a supplied key to prevent tampering and maintain consistent temperature