This is the Hangar 9 Electric Fuel Pump.  Another flying field essential from Hangar 9.

Features:

• Works from a 12V power source
• Alligator style battery clips
• Includes filtered fuel can clunk
• Built-in hooks allow for handy fuel can attachment
• Fill-off-empty switch positions
• 2-year warranty

• For use with glow fuel only

Overview:
Built-in hooks attach easily to most fuel cans. Prewired with insulated alligator battery clips to connect to a 12V power supply. Includes filtered clunk.