This is a replacement rubber seal and retaining ring designed to facilitate the installation of the HyDrain 110mm 2nd Fix onto all available Seaqual F-boxes.. 

In line with Seaqual’s commitment to sustainability and customer care, there's no need to replace an entire unit when only one part is lost or damaged, as many of Seaqual’s components are available to purchase individually.

5-year warranty against manufacturing defects.