120dB Aluminum Two Chamber Emergency Whistle (pack of 5)

    $7.55 $6.95

    ● Aerospace Aluminum High-frequency Whistle with Double Cavities
    ● Two cavities shaking together make it much louder than an ordinary whistle, and reach 120dB at maximum.
    ● With a high frequency of 3-4KHz, voice of the high-frequency.
    ● Little labor from you, big voice from it. It can help you to save at least 30% of your labor than that of an ordinary one.

    SKU: SG59.1120.A120-5 Category: Tag: