New Serenity Wave Filter Replacement of 2020 and later serenity-warranty issue see item description.

New Serenity Wave Filter Replacement 2020 and later of serenity wave or round filters. 

**Any customer needing this filter will need the adapter kit to modify their spa to be able to use the new filter.  Once they have the kit they will use filter# 4520020. **  Sell customer kit # 5555230 Filter Ring Adapter.  Will need to create warranty install work order.