Best Seller | SAFETY TECHNOLOGY INTERNATIONAL STI-9110 Flush Mount Clear Poly Thermostat Thermostat Protector, Open Back, Indoor, Color Clear, Material Polycarbonate, Mounting Flush, Width 8 1/2 in, Depth 3 5/8 in, Height 5 3/8 in, For Use With Thermostat, Operating Temp. -40 Degrees to 250 Degrees F, Includes Mounting Hardware, (2) Keys ... more SAFETY TECHNOLOGY INTERNATIONAL STI-9110 Flush Mount Clear Poly Thermostat Thermostat Protector, Open Back, Indoor, Color Clear, Material Polycarbonate, Mounting Flush, Width 8 1/2 in, Depth 3 5/8 in, Height 5 3/8 in, For Use With Thermostat, Operating Temp. -40 Degrees to 250 Degrees F, Includes Mounting Hardware, (2) Keys | | $27.89 go to store |