ROTRING 2-Pack of Medium Blue Roller Ball Cartridges
3 replacement filters for the Roomba Intelligent Floor Vac
A 2-pack of medium blue cartridges that are specifically designed for Rotring rollerball pens
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Rotring
{"Item Weight": "0.96 ounces", "Manufacturer": "Rotring", "Item model number": "31529", "Date First Available": "February 9, 2006"}