The Flint & Walling Sub/4 is a cast iron submersible pump featuring a 5 GPM flow rate and 15 stages, powered by a Franklin Motor. This robust pump is designed for high efficiency and durability, making it ideal for agricultural and residential applications. Its cast iron construction provides excellent strength and resistance to wear, ensuring a long service life. The pump's compact design allows for easy installation in wells and other confined spaces, while its performance meets industry standards, making it a reliable choice for effective water management.