Paramount VectorJet 004562450002 Partially Rotating Nozzle, Grey. Paramount’s exclusive patented VectorJet® is the first and only in-floor nozzle with the unique ability to set a cleaning angle and aim it to clean those hard to reach areas with its oscillating, sweeping action. It’s ideal for cleaning special water features such as beach entries, negative edge water basins, lazy rivers and long narrow pools or lap pools.