The DP400GGH, glass gobo holder drops in a Dedo DP400 universal imaging projector and uses size 'A' gobos. The holder slides into the DP400U universal imaging slot, and is secured in place by a spring-loaded mechanism. It is also compatible with the DP400KU100-P, DP400KU150-P and DP400KU-185-P Prolycht projectors with Bowens mount. Glass gobo not included.