Silca Ultimate Sealant Injector Description: Tubeless setup is a breeze using the Silca Ultimate Sealant Injector. Mess-free, drip-free, and simple to use. Remove the Presta valve core, draw up the sealant, attach the injector hose over the valve, and gently press the Ultimate Injectable Tubeless Sealant into the tire. It's not magic, but it will feel like magic. Features: Injects Silca Ultimate Tubeless Sealant through the valve for a speedy tubeless setup 2oz capacity syringe Snap on hose fits over the Presta valve Includes valve core remover tool