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Ultrasonic and Subsonic Pest Control Devices
Ultrasonic and Subsonic Pest Control Devices EB1663  
Author(s): Leonard Askham
This bulletin discusses the effectiveness of ultrasonic and subsonic devices for pest control. The author's verdict--save your money, research shows these devices don't work.

Publisher: Washington State University
Published: February 1992.   2 pages.
 
Out of Stock          
Free Download:
Price: $1.00  
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