[COMPATIBLE WITH]These chlorinator parts are compatible replacements for Auto Feeder/Chlorinator 320 and 322. [PART NO & QUANTITIES]: R172272 (½inch 90-Degree NPT x tube Connector with nut x2), R172091 (5/8inch OD 320 chlorinator feeder tubing x1), R171097 (Tube support Spring x1).R172255 (Screen Replacement ) [LONG-LASTING PERFORMANCE]These pool chlorinator parts kit are made of VMQ and EPDM plastics, which improve the aging resistance, high elasticity, resistance and high temperature resistance, and can be used in chlorinated swimming pools for many years. [EASY INSTALLATION]A perfect fix for worn or components, installation is quick with no specialty tools required. Simply remove the old part and snap the replacement into place - your chlorinator restart chlorine output instantly.<br><br>Colour:Black Material:Plastic + Metal + Rubber<br><br>Package Contents: 1 x Chlorinator Parts kit<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.