Honeywell Versaguard Universal Thermostat Guard, Painted Metal, Opaque Polystyrene Wallplate Color, 5 7/8″ Inside Height, 8 3/8″ Inside Width, 7 1/4″ Outside Height, 9 3/4″ Outside Width, 3 3/8″ Outside Depth, Vents in Guard Allow Airflow to Thermostat