SHIPS TODAY if ordered in the next:
Same day shipping if ordered by 4 P.M (EST) Monday - Friday
It's important to keep your O-rings lubricated and to replace them regularly for proper maintenance. Easily do that with this replacement O-ring for use with the Rx Clear® Off-Line Chlorinator. The Off-Line Chlorinator efficiently regulates your swimming pool's chlorine level and saves on chlorine use.