GuttaFlow 2 - Cold Flowable Gutta-Percha, Refill: 1 - 5 mL Dual Barrel Syringe (no mixing tips). Novel filling system for root canals that combines two products in one: Gutta-Percha in Powder Form with a particle size of less than 30 um, and a Sealer. This new filling system works with cold free-flow gutta-percha. 5 ml automix syringe