This item is a remanufactured unit for the AERO 353D-201 Panel CO Detector (352D-101). To qualify for this pricing, the core of an existing unit that is being replaced must be returned to Guardian Avionics. Please complete an RMA request to receive an RMA number when sending the core
back. There is a Core Charge of $100 added to order total and will be credited back to customer when a core is received in return by Guardian Avionics. * Total cost after core refund is $399.00
