... .0, 10, 20 3)Dia(mm):68mm SPECIFICATIONS:PP Filter CartridgeMATERIAL: PP (Polypropylene) PORE SIZE: 0.1um, 0.2um, 0.45um, ... not carrying in any chemical pollutants 5. Each Pharmaceutical Grade filter cartridge has been washed by injection water; Each Electronic ... 1. Electronic industry: Chemical products and pure water 2. Security filter for reverse osmosis 3. Food & beverage industry: Mineral water, ...