TPH Spectra LV Compules Refill: C3, 10 x 0.25 g each. Universal Composite Restorative, Low Viscosity. Proprietary blend of resin and fillers delivers lower opacity and higher translucency, for restorations that defy detection. Exceptional surface luster, realistic light refraction and genuine color for a lifelike restoration. Stain resistant to coffee, tea, wine, and other staining products.