Normal Temperature Dust Filters

i) Polyester needle-punched filter felt
ii) Polyester antistatic needle-punched filter
iii) Polyester oil repellent and waterproof needle-punched filter felt
iv) Polyester oil & water repellent and antistatic needle-punched filter felt
v) Polyester film needle-punched filter felt
vi) Polypropylene needle-punched filter felt