Plenum Box for Flex-a-lite Mojave Heater

Plenum box has 2 directional vents, and an outlet for 2 1/2" vent house, for use with your defroster Fits these Vehicles Universal Fit - This part will fit most vehicles. Some universal fit products require that you select a specific size or style, based on the actual features on your truck. Product Details Unit snaps onto the fornt of the Mojave Heater. This unit is highly recommended.