HotSpring & Tiger River Spas - Parts - Lens Kit - Replacement Lens for all Hot Spring and Tiger River spas created 1989 to current. This replacement will look completely different for those replacing a lens between 1989 and 1999. The manufacturer went to this design in 2000. Adhesive package INCLUDED to mate the lens to the shell. This specialty Devcon kit must be used, as the makeup of the shell is so unique that other type of adhesives WILL NOT WORK!