Clear Plastic Regal Thermostat Cover - Ring & Solid Bases - 6-3/8" x 3-1/2" Fixed Blades with Damper this grille enhances air circulation

this grille enhances air circulation

+ Product Details Size - 30"w X 10"h is the size for the duct opening measurement only

Its locking eight-tumbler mechanism and supplied key safeguard your thermostat from tampering

actual front end outer dimensions are approximately 30 5/8" width X 14 5/8" height

actual front end outer dimensions are approximately 27 5/8" width X 36 5/8" height

Clear Plastic Regal Thermostat Cover - Ring & Solid Bases - 6-3/8" x 3-1/2" Fixed Blades with Damper this grille enhances air circulation+ 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