The Spacer/4Sub 5-19GPM Noryl 1.458 by Flint & Walling is a critical component for submersible pumps, designed to enhance performance and efficiency. This spacer is made from Noryl, a high-strength thermoplastic known for its durability and resistance to chemicals. It accommodates flow rates between 5 to 19 GPM, making it suitable for a variety of applications. The precise dimensions ensure a perfect fit within the pump assembly, contributing to optimal operation. This spacer is essential for maintaining the performance of your submersible pump system.