#2503 Triple Convolute bellow, perfect for most vehicles/trailers/caravans that need that flexibility of air assistance. These bags fit all our current Load Assist brackets designed for the #2500 double convolute bellow**.Available as a triple bellow with top and bottom rings, or as a complete bellow with top and bottom aluminium seal plates to simply bolt into your vehicle. Note this bag does not come with brackets.**An example of application is pictured.Note: Does not come with pictured top and bottom aluminium seal plates, these are for example of use only.