... CE/NSF pressure type multi-medium filter for RO system Brief introductionMulti-media filter, also called pressure type filter, is a main part ... purification which is one of the traditional water treatment methods. Filter meterialsThe filter media include: anthracite, multi-porous ceramic, quartz sand, ... 1800×3200DN80SY-JXQ-40401100-1300Φ 2000×3200DN100 pressure type multi-medium filter for RO system