Acme 210.5 dog whistle - dog owner's favourite frequency
Ultra high pitch without cork
Produces a solid tone with a single extremely high frequency
Easy to blow
Plastic dog whistle from Acme. An essential training aid for your dog. The 210.5 is ideally suited to Spaniels with a single frequency of 5900Hz. It is the best whistle for close work and for dogs who suffer from hard of hearing. Why not consider the matching Lanyard to go with it?