TRU-FLARE Whistle Signal Cartridges (Box of 6)

15mm Whistle Cartridge for Remote Wildlife Deterrence The 15mm Whistle Cartridge for Pen-Type Flare Launcher is a signal cartridge designed for discouraging dangerous wildlife from approaching at distance. Wildlife control personnel, forestry workers, and site supervisors typically use this whistle cartridge flare to create a loud high-pitched screeching sound during outdoor encounters. Tru Flare cartridges fit compatible pen-type flare launcher systems and offer a visible blue cartridge for easier identification. Height Range: 50-75 meters Sound Duration: 2-3 seconds