Clear Plastic Designer Thermostat Cover- Solid and Ring Bases - 7-1/16" W x 4-1/8" H x2 1/8"D Powder Coated + Product Details Size -

+ Product Details Size - 20"w X 28"h is the size for the duct opening measurement only

+ Product Details Size - 28"w X 20"h is the size for the duct opening measurement only

+ Product Details Size – 22"w X 29"h is the size for the duct opening measurement only

The ring base allows installation without removing the thermostat

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Clear Plastic Designer Thermostat Cover- Solid and Ring Bases - 7-1/16" W x 4-1/8" H x2 1/8"D Powder Coated + 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