COMPATIBLE WITH These chlorinator parts are compatible replacements for the 320 and 322 automatic feeder/chlorinator. PART NUMBER AND QUANTITIES: R172272 (NPT x 1/8 inch and 90 degree tube connector x2), R172091 (320 5/8 inch OD chlorinator feed tube x1), R171097 (tube support spring x1), R172255 (screen replacement). DURABLE PERFORMANCE This pool chlorinator parts kit is made of durable VMQ and EPDM plastics, which improve aging resistance, high elasticity, corrosion resistance, and high-temperature resistance, and can be used in chlorinated pools for many years. EASY INSTALLATION A perfect solution for worn or damaged components, installation is quick and no special tools are required. Simply remove the old part and place the replacement part in its place. The chlorinator will restart chlorine production instantly. Color: Black. Material: Plastic, metal, and rubber. Package contents: 1 chlorinator parts kit