Get a construction vacuum with a supply of vacuum cleaner bags with the Kärcher WD 4 P S V-20/5/22 + Kärcher Vacuum Cleaner Bag for WD 4/5/6 (4x). You receive 5 bags in total to vacuum dry dirt with. Without a bag, you can also vacuum water. The canister fits up to 20L of dirt of liquid. Connect tools to the socket in the construction vacuum so vacuum dust directly while you work. Have dirt in a hard-to-reach place? Easily blow this away with the blow function. You can hang the vacuum hose on the vacuum to save space. The construction vacuum also lasts a long time thanks to the stainless steel canister.