Acme Cyclone 888 White 888 White SO
A minimum of 20 will need to be ordered for this whistle. These are a bulk load of 888 Whistles, the colour of these whistles will not always be white, they have become discoloured over time.
Modulated sound, more user friendly, without sacrificing loudness or control, 119dBA. Less effort by Airfast whistle standards.