BikeShop - Stan's NoTubes Tire Sealant Injector Syringe - Presta, Schrader

What they say:

Graduated two ounce injector makes application of sealant simple, with no mess or waste of sealant.

• Allows for easy sealant installation and removal through the tire valve.
• Compatible with Schrader and Presta valves
• Graduated cylinder for accurate sealant measurement