F&A Metro. Features: - Antimicrobial gel for treatment of highly infected root canals. - F&A Metro is a unique combination of 3 active ingredients dissolved (in the most active state) in inert biopolymer matrix. - At the temperature of the human body the fluidity of the gel increases dramatically allowing the active ingredients to penetrate even into the most distant parts of the root canals. **For further product information, please contact Chat Support**