... efficiency and filter precision. level. Commonly used filter such as PE, PP, PTFE, NMO.2.CharactersThe filter bag ... the formation of a gradient filter* High capacity sewage volume, long filter life, low dropoutMaterial:PP (polypropylene), the PE (polyester), PTFE ... filtering accuracy 20um Features: absolute filtration precision, high toughness, anti-sabotage, fiber free, can be used repeatedly.2.about ...