The Empire Comfort Systems DV Vent Kit for Rear Vent (SKU: DVVK5RP) is designed specifically for rear venting direct vent fireplaces. This kit accommodates walls with a thickness of 6 to 12 inches and includes the necessary components such as the SD58DVA06 pipe, SD58DVAWTEC wall termination, and SD58DVAHC square termination cap for proper venting and safe fireplace operation.