Broan-NuTone CF3918 Bag for Certain NuTone Central Vacuum Systems, 8-Gallon

2-ply electrostatically charged filter media captures particles down to .10 micron at 85% efficiency, ensuring a clean and healthy environment for your family. Suggested replacement about twice a year for maximum performance and efficiency.
For use with CV 850, suitable for CV450 and CV750. #CF3918