The Catridge, Pre Filter, For 20/35 is compatible with GEM HLN 002, HLN 003, HLN 006, HLN7 008, HLN7 010, SPD 10, SPD 15, SPD 25, SPD 40 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.