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Sprenger Soundless Whistle

Sprenger Soundless Whistle


Regular price $11.00 USD
Regular price Sale price $11.00 USD
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  • Scarcely audible to Human ears
  • Audible range of up to 400 meters for dogs
  • Maintains constant pitch by locking the secure nut on the adjustment screw 
  • Protection cover helps secure the adjustment screw
  • Plastic cover acts as protection from dirt
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