Your Shopping Cart Continue shopping “Fireboy-Xintex CO Alarm Internal Battery w/Interconnect – White” has been added to your cart. Item Your Options Quantity Price Fireboy-Xintex Gasoline & Propane Sensor Only Fireboy-Xintex Gasoline & Propane Sensor Only quantity $210.00 × Fireboy-Xintex CO Alarm Internal Battery w/Interconnect - White Fireboy-Xintex CO Alarm Internal Battery w/Interconnect - White quantity $245.00 × Coupon: Apply coupon Update cart Continue Shopping Cart totals Subtotal $455.00 Sales Tax $27.30 Total $482.30 Proceed to checkout