uxcell 10 Pcs 5mm Male Thread 4mm Push In Joint Pneumatic Connector Quick Fittings

Description: Designed for Polyurethane or Nylon tubing. Even after installation, the direction of the tube can be changed freely. Elliptical release ring help to connect tube easily by manual, no special tools required. Outside (and Inside where applicable) hexagonal wrench tightening. This Quick fittings are only used for industrial automatic apparatus and can not be applied on any medicinal equipment.