1、Applicable Model: The rear AC block off kit is a replacement for Explorer 2010 to 2018, please check the model and year of manufacturing before ordering to confirm compatibility. 2、AC Elimination: Block off the refrigerant lines to the rear air conditioning unit and use only the front AC unit to bypass leaking under body lines or rear AC units and restore operation. 3、Durable Material: The rear ac block off plates is made of rubber and aluminum, this rear AC block off kit is durable, wear resistant, and designed for long term use. 4、Easy Installation: The kit is extremely easy to install, making it an ideal solution for both professional AC technicians and DIY mechanics. 5、Efficient Performance: By managing the flow of refrigerant, this kit can improve the overall performance and efficiency of the front AC unit in your vehicle.