The CAT 156-1200 Ultra High Efficiency Fuel/Water Separator Filter is an OEM replacement part designed to meet Caterpillar's manufacturing standards. Built for equipment that specifies part number 156-1200, this filter is manufactured with durable materials and advanced filter media for reliable operation in demanding conditions. Filter Media: Proprietary media designed for stable performance Acrylic Beads: Maintain spacing and minimize pleat movement Spiral Roving: Adds pleat stability and extends service durability Nylon Center Tube: Lightweight and corrosion-resistant Molded End Caps: Provide secure sealing and fit Efficiency Rating: Ultra High Efficiency Material: Carbon Steel, Metal/Nonmetal Composite