[Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - Primary filter] primary filter suitable for air-conditioning system at the beginning of the primary filtration efficiency filter replacement standard, mainly used to filter dust particles than 5μm. Primary filter has a plate, folding, bag three styles of the early effect of central air-conditioning filters, frame materials are paper boxes, aluminum frame, galvanized iron frame Tianjin early efficiency filters, filter materials are non-woven, nylon mesh, activated carbon filter, metal hole nets, protective nets are double-sided and double-sided galvanized wire barbed wire spray. [Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product --FFU] cabinet material available upon request, in accordance with environmental needs of stainless steel or steel paint. Running lights and air handling units with external contacts, in order to facilitate monitoring. Air units with the unusual light and external contacts, self-view exception reasons, in the normal transmission without the fan running. Abnormal lights. (Which may occur following): Motor overload tripping. Motor coil burned. Internal wiring off. Can be used with all brands of ceiling grid and classes PA / output operation ULPA fan of leaves to guide duct design, so the noise is small, average wind speed and vibration. Tianjin primary filter | Jinzhong Ji manufacturers | Inner Primary filter provided by the Tianjin Jinzhong Ji HVAC purification equipment. Tianjin Jinzhong Ji HVAC purification equipment Limited (www.Jzjnt.com) is a leader in Tianjin, fans, ventilation equipment, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. In the group leadership with the staff warmly welcome all inquiries negotiations to create a better future for the base.