Stan's NoTubes Tire Sealant Injector Syringe

From Campmor

Graduated two ounce injector makes application of sealant simple with no mess or waste of sealant. Dual-threaded tip fits both presta (inner threads) and schrader (outer threads) valves. Allows for easy transfer of sealant from one tire to another Includes schrader valve core remover Dual threaded plastic adapter fits both presta and schrader valves Now with rubber seal for smoother operation