"Silent" Dog Whistle

$45.00
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Invented by Acme in 1935. The first ever "Silent" Dog Whistle.

Adjustable frequency to suit your dogs hearing. The Modern, improved whistle is the perfect dog training whistle for Town or Country, close or distance work. 

Adjustable frequency range from 5400 Hz. to 12,800 Hz. Tuned to your dog's hearing.