JinJue Mini-Pleat PTFE Panel Filters and PTFE ULPA filters are ideal for low noise area, corrosive gas area (especially for hydrofluoric acid) and high clean level area. PTFE membrane as young filter media in China market. Mini-Pleat PTFE Panel Filters are used in HEPA filters and ULPA air filters with stable performance and lower energy consumption. Really suitable for hospitals, sanatoriums, schools and kindergarten, microelectronics industry, sterile room, laboratory etc.