ACME original 'silent' dog training whistle no. 535. Adjustable frequency. Instruction leaflet included. Made in the UK. Good sound quality. Weather-proof. Solid brass with nickel plated finish PETIMP STORE ADJUSTABLE DOG SCARF: Size is

ADJUSTABLE DOG SCARF: Size is 17x17x25inch

Jack Russell

Very easy to clean and maintain

no longer trapped from view or reach

ACME original 'silent' dog training whistle no. 535. Adjustable frequency. Instruction leaflet included. Made in the UK. Good sound quality. Weather-proof. Solid brass with nickel plated finish PETIMP STORE ADJUSTABLE DOG SCARF: Size isFeatures: Adjustable Frequency 5400 12800Hz. Protective end cap. Designed with special air directors to tightly control the frequency produced and generates over a mile of sound with minimal effort. Quiet human audible sound to confirm the whistle is working. The whistle is engineered to produce a relatively quiet whistle sound audible in the human range the sole purpose of this is to reassure the user that a sound in the required range is being