Add to Cart Compare Quick view Smoke Alarm Guard RS Steel MSRP: Now: $51.32 Was: Smoke Alarm Guard for protection against vandalism and theft. Prohibits battery removal that would disable the smoke alarm.¢ 3?" H x 7?" Dia MSRP: Now: $51.32 Was: Add to Cart Compare Quick view Qty in Cart: 0 Quantity: Decrease Quantity: Increase Quantity: Price: MSRP: Now: $51.32 Was: Subtotal: Add to Cart Total: items / Add all to cart Adding your products to cart View Cart Continue Shopping