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

+ Product Details Size - 4"w X 10"h is the size for the duct opening measurement only

angle them down for effective warmth distribution

Actual Filter Size – 9 3/4"w x 7 3/4" x 1"

+ Product Details Size – 14"w X 6"h is the size for the duct opening measurement only

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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 Aluminum + 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