Dundas Jafine AF425ULPZW General Purpose Flexible Aluminum Foil Duct<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Tough3-ply aluminum foil laminate construction</li><li>Flexible， 4-inches by 25-feet</li><li>Easy to install， maintains shape</li><li>Air tight， UL 181 listed and marked</li><li>Not for use on dryers</li></ul></div><img src="http://ecx.images-amazon.com/images/I/417zrMlQ6PL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/417zrMlQ6PL.jpg" noproxy>