This Graco Diaphragm Kit is specifically designed for 1″ Husky 1050 aluminum diaphragm pumps. It includes two thermoplastic polyester elastomer (TPE/Hytrel) diaphragms, PTFE bolt o-rings, and replacement o-rings—perfect for restoring pump performance and ensuring a reliable, leak-free seal in fluid handling applications. Ideal for maintenance and rebuilds of industrial spray, transfer, or lubrication systems.