Construction vacuums for small jobs are wet and dry vacuums with an up to 18L capacity. You can use these all-purpose vacuums for small jobs in and around the house. For example, to vacuum leaves, potting soil, crumbs, or spilled water. For these types of jobs, an up to 18L capacity is large enough. Want to perform bigger jobs, such as vacuuming dirt in the workplace? Choose a construction vacuum cleaner with a larger capacity. This way, the vacuum cleaner bag or reservoir won't get full during your job and you can continue to work without interruptions.