They are not interchangeable with Waterway and are specific to CMP jets. The display picture shows the front and back of the jet. These Roto jets are also bearing-less, which will last longer than plastic-bearing jets. The Crown spa jets are considered The Champion of Spa Jets. They have a sporty style with a clean look. An improved design with an easy grip for jet adjustment and easy interchangeability between different jets. Roto jets rotate in a circular motion providing a soothing and massaging effect.
