The Compressor MTZ 100 -4VM is compatible with GEM ELRD 900, ELRD 1100 models. Always cross-check your machine's model number, or contact our support team to confirm fitment. GEM Equipments Pvt. Ltd. is an ISO 9001:2015 certified, India-based manufacturer (since 1984) of compressed air dryers, cooling towers, industrial chillers, and compressed air treatment accessories, headquartered in Coimbatore, Tamil Nadu. All spare parts on Gemspares.in are genuine and sourced directly from the manufacturer.