Type:Ultrasonic Pest Repeller. The ultrasonic insect repeller is effective for area up to 1200sq. 1/2/3/4/5/6/7/8 x Ultrasonic Pest Repeller. Effectively repel for mice cockroaches fleas bugs mosquitoes flies ants insects and rodents; the typical results could take 3-4 weeks depending on the amount of the pest infestation.
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