The Flint & Walling Shell is a 4" submersible component designed for use in water well systems. Measuring 7.82" in diameter, this shell is engineered for compatibility with various submersible pumps. Its durable construction ensures longevity and reliability in demanding environments. This shell is essential for maintaining the integrity of your water system, providing a secure housing for the pump while facilitating efficient water flow. Ideal for both residential and commercial applications, it adheres to industry standards for quality and performance.