Compatible with Auto FeederChlorinator 320 and 322,The chlorinator parts kit is specifically designed for use with Auto FeederChlorinator models 320 and Please verify compatibility with your specific model prior to purchasing. Advanced materials and technologies,Crafted using VMQ and EPDM plastics, the chlorinator parts kit exhibits remarkable aging resistance, superior elasticity, resistance, and high-temperature resistance. Easy installation,Simple installation process involves removing the existing R172272, R172091, and R171097 parts and replacing them with the new ones. Also provided in the package is a roll of 6-inch (W) x 118 inches (L) plumbers tape for convenient wrapping during installation. Enhanced durability and performance,By utilizing innovative materials and technologies, these chlorinator parts for ENSURE optimal performance, durability, and extended lifespan, enabling you to maintain a clean and efficiently functioning pool or spa.