1.Filter bag/ISO9001:2008 Certified. 2.Material: polyester, fiberglass, aramid, P84, acrylic, PPS, PTFE and PTFE membrane 1.The material ... -STATIC POLYESTER (3) 100% POLYPROPYLENE (4) HOMOPOLYMER ACRYLIC (5) NOMEX (ARAMID) (6) RYTON (PPS) (7) P-84 (POLYIMIDE) (8) GLASSFIBER 2 ...