Construction: Bag filter Frame: Aluminum alloy or galvanized plate Medium material: new composite non woven fabric Pockets qty: 3P/5P/6P/8P Efficiency: F4~F8 Color (optional): F5 white pocket F6 green pocket F7 pink pocket F8 yellow pocket Rate Air Flow:1250-4250m³/H Initial pressure drop:40~216Pa Filtration Grade:According to the Medium Filter Specifications Pocket F8 Medium Efficiency Filter A) High dust adsorption capacity B) High eliminate odor C) Breathable filter Pocket Medium Efficiency Filter 1) Application: Use as the prefilter of air ventilation central system, just like clean room of hospital, pharmaceutical factory, electronics factory and equipment of buildings. 2) Type: Pockets filter 3) Temp. Resistance: 80°C 4) Humidity: 80% 5) Specialty: 1. The Pockets can collect 1 to 5 micron particles. 2. The aluminum alloy frame between each pocket can avoid the filter over expanded under the pressure. 3. Ultrasonic sealing make the filter more strong and not easy to broke 4. The size of the pockets can customize, high dust adsorption capacity and high eliminate odor, can reusable and long working life