CLE-004 window cleaning droids were a model of floating repair droid designed to clean the windows of buildings. They were used on the planet Coruscant to clean the windows of buildings many levels above the planet's surface. The droids would have their designations printed on their bodies, as seen on the unit Buffy.
- Star Wars: Episode II Attack of the Clones (First appearance)
- Star Wars: Absolutely Everything You Need to Know (First identified as CLE-004 window cleaning droid)
- Star Wars: The Visual Encyclopedia (Picture only)
- Star Wars: Build Your Own R2-D2 38 (Droid Directory: Service droids)