Description: Featuring strong and durable chlorinator connection tubes that can withstand long periods of UV exposure, they are very wear-resistant and durable and can be used repeatedly. You can use this PVC pipe to replace the old chlorine auto-filler connection for your swimming pool or hot tub, it is compatible with 322 and 320 models and is very practical. It is constructed of PVC material. The auto feeder model 322/320 tube is 7 3/8" long with an inner diameter of 1/2", and an outer diameter of 5/8". It is suitable for home, swimming pool, etc. Item Name: Chlorinator Tube Material: PVC Features: Easy to Install, Durable, Wear Resistant, Eco-friendly Size Details: Inner Diameter: 1.27cm/0.5" (Approx.) Outer Diameter: 1.6cm/0.63" (Approx.) Length: 18.7cm/7.36" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 2 x Chlorinator Tube It is suitable for home, swimming pool, etc. Featuring strong and durable chlorinator connection tubes that can withstand long periods of UV exposure, they are very wear-resistant and durable and can be used repeatedly. The chlorinator connection tube is very strong and durable, can withstand long time UV exposure, very wear-resistant and durable, and can be used repeatedly. It is very strong and durable, can withstand long time UV exposure, very wear-resistant and durable, and can be used repeatedly. It is a very strong and durable chlorinator connection tube that can withstand long periods of UV exposure, is very wear-resistant and durable, and can be used repeatedly.