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Koolatron PR30-3 PestContro Ultrasonic 500 - 3-Pack
suggested retail price: $37.73 You Save $3.24
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Simply plug your PestContro 500 device into an unobstructed wall outlet in the room to be covered by ultrasonic sound power. Coverage in a room can be improved by bouncing the sound off reflecting objects such as walls mirrors cupboard doors appliances etc. Obtaining a ricochet pattern will increase effective coverage. It is important to note that ultrasound cannot transmit through walls and doors so you can keep the ultrasonic coverage within a room by closing doors or leave the doors open to potentially extend the protection outside the room where it is plugged in. There will be a stronger effect of ultrasound within the room where the unit is placed. Package of 3.