Fernco P1070-33 3-Inch by 3-Inch Flexible Coupling For Corrugated Pipe
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<b>[Product Information]</b><br>
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<li>Coupling for corrugated pipe</li>
<li>Flexible</li>
<li>Mercury free thermostat</li>
<li>For use with heat pumps only</li>
<li>3-Inch x 3-Inch</li>
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<img src='http://ecx.images-amazon.com/images/I/51f%2BuGFZtCL.jpg'></br>