The 1-1/4" Buna-S Rubber Poppet Assembly with Spring, Cup Washer, and Locknut from Strataflo Products is designed for optimal sealing and performance in fluid systems. This assembly features a Buna-S rubber poppet, known for its excellent chemical resistance and durability. The included spring and cup washer enhance the assembly's functionality, ensuring reliable operation. The locknut secures the installation, preventing loosening. This assembly is ideal for various applications and meets industry standards for quality and reliability.