... is use for the front filter cartridge to protect others. Parameters: ProductPP filter cartridgeMaterialPP, polypropyleneStyleGroove, pointsPrecision ... and rust effectively. 2. Water pre-filtration3. Wide chemical compatibility4. Pressure-proof5. High chemical resistence.6. All ... system, solvent, chemical industry, oil industry, drinking water treatment, electronic and power industries, plating, food ...