The Vortab Elbow™ 90° long radius elbow (model VEL) flow conditioner offers a simple flow conditioning elbow replacement for new and existing piping systems. The Vortab Elbow flow conditioner is the only true isolating elbow flow conditioner in the world. It not only has the ability to isolate irregular velocity profiles and swirl normally encountered in a single elbow, but it also has the ability to isolate any irregular velocity profiles entering the Vortab Elbow.