The RODAR II Ultrasonic Pest Repeller is the super powerful professsional ultrasonic pest repeller based on more than twenty years of engineering and field testing. Its super tansducer blasts out ultrasound (at 23 to 55 kHz) with up to 60 and more times the power of other ultrasonic devices (that make preposterous claims). And power is what makes the difference - both in size of area covered and h
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