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ECT Manufacturing provides high-performance 4" Schedule 40 PVC well casing and precision-slotted well screens specifically engineered for environmental monitoring, groundwater sampling, and professional water well construction. Our 4-inch PVC components are precision-machined to ensure seamless integration into your drilling project, featuring flush threaded connections (2 TPI) that maintain a consistent outside diameter for easy installation in tight boreholes. All of our Sch 40 PVC screens are available in various slot sizes to match specific geological conditions, ensuring optimal flow while preventing sediment infiltration. Built to meet rigorous industry standards like ASTM D1785 and F480, our PVC risers and screens are thoroughly cleaned and bagged to prevent site contamination. Whether you are installing a monitoring well or a recovery system, our comprehensive inventory includes essential accessories such as threaded points, slip caps, and tamper-proof locking well plugs to provide a complete, watertight solution for groundwater protection.