Reference #3 on this 1987- 1988 Grandee Filter Compartment Diagram
Obsolete: No factory suggested replacement available at this time. Please contact our technicians for advice (805) 541-9000 or firstname.lastname@example.org.
This coupling fits between the two filters on a 1987-1988 Hot Spring Grandee. Its purpose is to hold both filters by tension into place to keep water from bypassing.