Guardair 20 Gallon Vacuum Kits offer the same high level of performance as our larger units but in a more compact and versatile size. Mobile and easy to maneuver. Perfect for workshops, laboratories, and general maintenance. Ideal for vacuuming up chips, dust, debris, liquids or sludge. Powered by compressed air, always dependable and trouble free with no motors or moving parts to wear out. Generate exceptional vacuum lift and vacuum flow while operating quietly and efficiently. Non-returnable item.