DEL Ozone Injector Only (#684K, Kynar, Red) (HB) (7-0356) furnas A split nut like this

A split nut like this is useful because it helps secure and connect valve-related components in assemblies that require this earlier style of hardware

This American/Pentair CLN/CLR 100 Center Core (59053700) is engineered for cfr filters & parts applications

This three foot extension is designed for exactly that type of adjustment

Matching the correct 7-1/4 inch size helps preserve intended fit and dependable skimmer performance

or no longer holding correctly

DEL Ozone Injector Only (#684K, Kynar, Red) (HB) (7-0356) furnas A split nut like thisAn injector helps create the point where ozone can be introduced into the water path, and this DEL Ozone injector only component is designed for compatible applications using #684K red Kynar construction in an HB configuration. When the injector portion of the ozone system becomes worn, obstructed, or unreliable, ozone delivery can become less effective than it should be. The injector only format, red Kynar material, and #684K specification give this