Nutone Central Vacuum Cleaner Bags Models 350， 450， 750， 850<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replaces OEM part number CV391</li><li>Central Vacuum System Replacement Bags for Nutone Vacuum Cleaners</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51d527NwDNL.jpg" noproxy>