Quantum Qflash T & X Series Clear Colored Gel Kit for Reflector (QF66) Includes7 colored photographic gels, blue, green, red, yellow, etc. Designed to fit in the Quantum Qflash's standard reflector. Insert between the two diffusion disks that is included with the Qflash Quantum Qflash T Series, Qflash X Series, or TRIO Flashes