A fluid supply, can ridge fir a vapor generating device that includes an ejection head structure and a fluid reservoir body for removable attachment to the ejection head structure. The ejection head structure contains an ejection head and a flexible circuit attached to an ejection head structure for electrical communication with the ejection head. The fluid reservoir body includes a vaporizing fluid therein, a fluid supply port in fluid flow communication with the vaporizing fluid, and a fluid port seal for the fluid supply port.
