... filter, filter bag, air purifier 2) material: PPS 3) multi-applicant 4) OEM PPS (Ryton) Air Filter And Filter Bag, Air ... , Nonwoven Filter Felt, Filter Core, Filter Cloth, General Information:PPS(Ryton) air filter and bag filter is with lower price ... endure in strong oxidant site.Performances of temperature resistance of PPS bag filter:a) Excellent high temperature resistance - operating temperature ...