Vortex series
Vortex series | |
File:Official Vortex-R.jpeg | |
Company | Whelen Engineering |
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The Vortex-R Series is a line of electronic sirens produced by Whelen Engineering. It consists of four models, the VORTEXR1, VORTEX2, VORTEX3 and VORTEX4. All of which look identical from the outside.