Polyester + Alluminium Coating（From China,Japan,Korea）
A. Suitable pleat width design for easy to sell-clean
B. High filtration efficiency
C. Antistatic processing
D. Flame retardant processing
E. Top open, bottom open/ bottom close with deflating bolt hole
F. Galvanized Stainless metal configuration
G. EPDM Rubber seal
Filtration Class：5micron