Park Tool Tubeless Sealant Injector Filling your tire up with tubeless sealant just got easier. The Park Tool Tubeless Sealant Injector is a tubeless sealant syringe that uses a thin tube to inject the sealant into Presta valves with removable valve cores. The easy-to-read gauge has measurement markings in both cc and fluid ounces and can hold a maximum of 3. 5-fluid ounces of sealant. Features Capacity: 3. 5 fl. oz. Tube dimensions : 120mm (4. 75") long x 3. 5mm (0. 14") diameter Easy-to-read gauge with cc and fluid ounce markings | Park Tool | Tubeless Sealant Injector 3. 5 Fl Oz