The Aluminium Heat Exchanger 250-300CFM is compatible with GEM 2KD025, 3GX025, 3GD025, 2KD030, 3GX030, 3GD030 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.