The Family Handyman on MSN1y
Ultrasonic Pest Control: Does it Really Work?
Many more patents have been issued since. On average, an ultrasonic pest repeller lasts from three to five years. You know ...
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Do ultrasonic pest repellents work?
They often work ... of ultrasonic repellents. Limited Range: The sound waves do not penetrate walls, making it necessary to use multiple units such as a 6-Pack Ultrasonic Pest Repeller from ...