Maxell Ozone Generator MXAP-COS20 This item was purchased as a new/used item and has been used for about 3 years. There are some stains and paint chips. Please check the photos. The product box and instruction manual have been discarded. Only the main unit and charger are included. Before shipping, the main unit will be wiped with a wet wipe and disinfected with ozone and UVC light. The main unit will be wrapped in bubble wrap and shipped in a cardboard box. Thank you.