Whirlpool 8212662 Flush Mount Louvered Flapper<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>10" pipe with back draft flapper</li><li>4" opening</li><li>Heavy duty rigid metal</li><li>Works with most major brands</li></ul></div><img src="http://ecx.images-amazon.com/images/I/315BR6IpAuL.jpg" noproxy>