10 side brushes + 10 HEPA filters for the Lidl SilverCrest SSR 3000 A1 robotic vacuum cleaner (XU model)

All plumbing or mechanical connections need to be sealed using a rigid or flexible waterproof barrier. Static and dynamic connections can be made watertight using fibre or rubber washers, O rings or lip seals, all of which need to chosen to match the type of liquid and pressure they are required to contain.