Replacement inner Cloth filter for the Prolux White and Red CV12000 Central Vacuum Cleaner. This is the per-motor/micron cloth filter. This filter is the first line of defense for keeping dirt our of your air and from getting into the motor. If your cloth filter is developing holes or thin spots a replacement is needed to keep your unit running at peak efficiently. This inner Cloth Filter for the Prolux White and red CV12000 Central Vacuum Cleaner is easy and quick to remove and install.