Our Dual Vessel Cartridge Unit (TDW) is the most commonly used filter cartridge unit in the oilfield industry. This, offshore proof, skid-mounted filter unit can be supplied as a cartridge, bag or combination unit, equipped with all necessary valves and safety features. Our Dual Vessel Cartridge Unit offers the most cost-effective way to clean-up all possible oilfield fluids. It allows you to simultaneously filter with one vessel and easily change the used cartridges.