Camco 25013 Universal Vent Installation Kit with Butyl Tape<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Hardware included</li><li>3/4" x 8' roll of butyl tape included</li><li>Instructions included</li><li>Use with roof vents， plumbing stacks， side-mount vents， etc.</li><li>For use with rubber roofs</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51QhVvKVtUL.jpg" noproxy>