Your Shopping Cart Item Your Options Quantity Price Safe-T-Alert Combo Carbon Monoxide Propane Alarms Flush Mount - Black Safe-T-Alert Combo Carbon Monoxide Propane Alarms Flush Mount - Black quantity $129.95 × Safe-T-Alert FX-4 Carbon Monoxide Alarm Safe-T-Alert FX-4 Carbon Monoxide Alarm quantity $89.99 × Safe-T-Alert FX-4 Carbon Monoxide Alarm - 2-Pack Safe-T-Alert FX-4 Carbon Monoxide Alarm - 2-Pack quantity $179.99 × Coupon: Apply coupon Update cart Continue Shopping Cart totals Subtotal $399.93 Sales Tax $24.00 Total $423.93 Proceed to checkout