... residue load 10 inch yarn/cotton filter cartridge for water treatment A. Product description:cotton filter cartridge is made by ... industry: Pre-filter for ultra pure water Chemicalproducts and pure water 2. Food & beverage industry: Filter of mineral water, wines and fruitjuice 3. ... . Others: resin eysglass, bearing washing, laser cooling water, ultrasonic cleaning, plating solution, and so on.