✦ Simple, Safe, and Reliable. ✦ Allows accurate administration of a variety of Oxygen Concentrations. ✦ Clear, soft mask. ✦ Non-Toxic PVC Color-coded kit, easy to use and deliver a variable concentration of oxygen. ✦ Two- Color-coded diluters for seven concentrations. ✦ Adjustable nose clip. ✦ Adaptor for high humidity. ✦ With 2m anti-crush tube. Cruzine is one of the leading manufacturers, exporters, and suppliers of inimitable quality Ventury Masks that are manufactured using superior quality raw materials. Cruzine offers Venturi Mask to deliver oxygen concentration to patients advised to have controlled oxygen therapy based on different colors to indicate the variable concentration of oxygen.