Is this different from the Roho Quadtro? I think mine is a Quadtro, and it has 4 areas that after you sit in it you lock the air in place. It is supposed to help with stability. But there is only 1 valve. You can't inflate each separately. You move the air where you want it by sitting on it, then lock it. Greg
> The entire seat is divided into 4 sections. Each can be inflated as > needed. > > I have a ROHO Quad cushion. The air firmness in each section can
