New DrainTrain enables your push camera to travel further with less damage in 3" (76mm) pipes. Cameras up to 1.375" or 35mm fit the DrainTrain. Three independent parts create the DrainTrain and two camera adapters are included. 3” pipelines. The DrainTrain™ is constructed of the same lightweight, durable, corrosion resistant composite nylon as the larger version. It provides a protective housing that increases camera lifetime. This product does not include a push camera.