[Applicable Models]: chlorinator cover is 100% compatible with automatic chlorinator feeder.Please check the product model before placing an order. [High-quality Material]: chlorinator cover is made of high-quality ABS material, which improves corrosion resistance, improves safety, and has a service life. [Tight Seal]: chlorinator cover is designed with tight thread and O-ring seal, which fits perfectly with the automatic chlorinator feeder, which is sealed without water leakage to safe use. If your chlorinator cover leaks, no improvement after replacing the O-ring, you may consider trying our chlorinator cover. [Easy to Install]: chlorinator cover can be installed on the chlorinator within 10 seconds, remove the old chlorinator cover and screw on the new chlorinator cover to continue using. type:CL100 Colour:black Material:ABS Package Contents: 1 x Chlorinator Cover 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.