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An electrostatic repeller, also known as a sand trap, was a device that generated a static field to repel airborne particles such as sand and dust from ramps, doorways and walkways. The Lars family used electrostatic repellers at their homestead on Tatooine.
- Star Wars: Episode II Attack of the Clones
- Star Wars: Episode IV A New Hope (First appearance)
- Star Wars Episode IV: A New Hope novelization
- Galaxy Guide 7: Mos Eisley (As "electrostatic repellor" and "sand trap")