The Pressure Gauge, 0 to 500PSI, Bottom Entry is compatible with GEM ELRD 300, ELRD 400, ELRD 500, ELRD 600, ELRD 750, ELRD 1100, ELRD 1552, ELRD 2000, ELRD 2500, ELHD 64, 2KD CC 750, 2KD CC 1000, and 35 other GEM models. Always cross-check your machine's model number, or contact our support team to confirm fitment. GEM Equipments Pvt. Ltd., established in 1984 and ISO 9001:2015 certified, is one of India's leading manufacturers of compressed air dryers, cooling towers, industrial chillers, and compressed air treatment accessories, based in Coimbatore, Tamil Nadu. All spare parts on Gemspares.in are genuine and sourced directly from the manufacturer.