VL500-55L Wet & Dry Vacuum Cleaner Twin Motor 107405173 NilfiskVL500 55 Wet and Dry Vacuum Cleaner with Dump Hose 107405173 What Makes the VL500 Range of machines better than other Wet and Dry Vacuums? The key feature of this machine is that it actually is suitable for wet AND dry use. The specialist filter system featured on the vacuum means that you no longer have to change filter sets from wet to dry when changing jobs, it can deal with both types of waste at the same time. This is unusual for a lot of vacuum