Avanos Mic-Key Continuous Feed Extension Set With Enfit Connectors Secur-lok 24" 60cm 0141-24 - Box of 5MIC KEY* Extension Sets have been specifically designed with the SECUR LOK* connector for an excellent fit into the MIC KEY* feeding port for opening and unlocking the valve. For use with: MIC KEY* G, J and GJ Feeding Tubes Enteral Feeding Syringes with ENFit connectors Enteral Feed Administration Sets with ENFit connectors Product Features: SECUR LOK* Connection mechanism Y Port allows for administration of formula, medication and water Tubing clamp