MSC 220-S Smoke Alarm Parts & Accessories; Inside Height (Inch): 7-1/2 ; Inside Width (Inch): 6-1/2 ; Inside Depth (Inch): 3-1/4 ; Gasket: No

Smoke Alarm Parts & Accessories; Inside Height (Inch): 7-1/2 ; Inside Width (Inch): 6-1/2 ; Inside Depth (Inch): 3-1/4 ; Gasket: No

Smoke Alarm Parts & Accessories; Inside Height (Inch): 7-1/2 ; Inside Width (Inch): 6-1/2 ; Inside Depth (Inch): 3-1/4 ; Gasket: Yes

Thermostat Accessories; Accessory Type: Plastic Solid Base ; For Use With: Most Thermostats ; Outside Depth: 3 ; Inside Depth: 2-1/2 (Inch); Inside Height: 3-7/8 (Inch)

Thermostat Accessories; Accessory Type: Plastic Dual Base Thermostat Guard ; For Use With: Most Thermostats ; Inside Depth: 2-1/8 (Inch); Inside Height: 4-1/4 (Inch)

Thermostat Accessories; Accessory Type: Metal Cover w/Solid Plastic Base ; For Use With: Most Thermostats ; Outside Depth: 4 ; Inside Depth: 3-1/2 (Inch); Inside Height: 8-1/4 (Inch)