Grandio Flow Universal Flowable Composite Restorative – 2 g Syringe Refill with Type 44 Tips, 2/Pkg, Shade A4. Grandio Flow is a flowable, nanohybrid composite indicated for filling small cavities (Class I) along with Class II and V restorations, extended fissure sealing, repairing fillings and veneers, luting of translucent prosthetic pieces (e.g. porcelain-only crowns, veneers) and block out of undercuts.