Guangzhou RT Air Filtech Co., Ltd.  

Product Name: Primary Coarse Air Filter Model NO.: RT-P25 Type: Panel Filter Filtration Grade: Pre Filter Efficiency: G3 G4 Medium Material: Synthetic Fiber Filter Number: Plank Filter with Mesh Clapboard: Plank Filter Filtration Class: G2 G3 G4(En779) EU2 EU3 EU4(Eurovent) Filtration Efficiency: 75% 85% 95% (Ashrae52.1-1992) Temp.Resistance: Polyester?100