Honeywell TG511A1000/U T-STAT GUARD MEDIUM CLEAR 51/16"H X 61/16"W X 25/8"D

Honeywell Home Versaguard Thermostat Guard, Universal, Clear Glass, 6-1/16 to 7-1/2 in W x 2-15/16 in D x 5-1/16 to 6-1/2 in H,