1. Filter Material: Good High Performance Glass Fiber Paper, PP Paper, or Composite Filter Paper.
2. External Frame: Aluminum Metal or Galvanized Steel Wooden, Plastic or Customized.
3. Efficiency Siries H12 H13 H14 U15 U16 U17 Available. According to
4. Customers` requirements adjust Air volume, Size Material and application, do ODM.
5. All the products compliant with CE ROHS ISO certifications.