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Staff of the Federal Trade Commission's Division of Enforcement today announced that they have sent warning letters to more than 60 manufacturers and retailers of ultrasonic pest-control devices, stating that efficacy claims about those products must be supported by scientific evidence.
I get a lot of catalogs offering"ultrasonic pest eliminators." Iwas wondering if these thingsreally do what they claim -- getrid of ants, crickets, roaches andrats. Their advertising doesn'tmention termites. If