This radiopaque conventional glass ionomer filling material in the unique 3M™ Aplicap delivery system offers high fluoride release and helps you achieve virtually invisible anterior restorations. High fluoride release. Radiopaque. Self-cure. One-step placement. Suggested Application: Class III and Class V restorations. Small Class I fillings. Fissure sealant. Includes: (20) A2 Capsules (10) A3 Capsules (10) A3.5 Capsules (10) A4 Capsules