NuTone 4 Inch Inline Fan/Grille Kit， 120 CFM<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Kit includes components to install a single exhaust system using 4-inch duct - fan， grille， sleeve with damper and duct clamps for easy install</li><li>Wall control， wire and ducting are sold separately</li><li>Stocking is made easy with NuTone's convenient in-line fan kits</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41r4RvpWaVL.jpg" noproxy>