UltraSeal XT plus - A2 refill: 4 - 1.2ml Syringes. Light-cured, radiopaque, fluoride-releasing composite sealant. 58%-filled resin and has low polymerization shrinkage. High retention rate. Direct delivery into difficult-to-access areas. Bubble-free, drip-free placement. Effective at preventing microleakage. Penetrates deepest pits and fissures. 4 - 1.2 ml syringes