According to a study conducted by Kansas State University in 2002, ultrasonic devices repel some insects and rats and may interfere with mating. The results of the study were mixed...
"Ultrasound and Arthropod Pest Control" (2001), an extensive Kansas State
University study, confirmed that ultrasonic sound devices do have both a
Read this article to find out if electronic ultrasonic pest control devices really ...
Our military service also does not allow purchases of electronic repellers do to ...
Ultrasonic pest repellers are electronic devices that emit high-frequency ... but
laboratory tests have shown that the majority of such devices do not work as ...
Bell and Howell Ultrasonic Pest Repellers with Extra Outlet - 3 Pack ... they need
to do is tell everyone that they DO NOT work overnight, BUT, they do work.
Mar 24, 2014 ... I purchased 6 Bell & Howell ultrasonic pest repellers. ... ONLY ELECTRONIC
PEST REPELLER proven to work. ... I do spray with Spectricide once every
Spring & Fall and take the pets out and we go shopping, when we come ...
Do ultrasonic rodent repellers really work? ... There is limited data on how well
electronic or high-frequency sound devices work for household pest control.
The available scientific evidence does not support the use of electronic/ultrasonic
earthkind, makers of natural pest control ... These devices work by sending
ultrasonic waves through the air. ... A typical ultrasonic mouse repeller, or
electronic rodent repeller, is plugged into ... The reviews of ultrasonic mouse
repellers are mixed, but the majority of the reviews suggest that the repellers do
not solve mouse ...