Gas Turbine Intake Air Filter Cartridge exported to Middle east,Thailand,Germany. the filter media is from Hollingsworth&Vose Gas Turbine Intake Air Filter Cartridge for Siemens System. (1) Features of Standard construction:Cellulose/ cellulose + fiber glass synthetic material. (2) Performance Description:1. Wider pleat width2. High filtration efficiency3. HV material4. Large air flow5. Top open, ...