A: This is an option and you only need if you install Horizontally, it sits in the bottom of the quartz tube to help push the bulb out when changing lamps out. Answer provided by:  Janice (10/6/2014)

A: This is an option and you only need if you install Horizontally, it sits in the bottom of the quartz tube to help push the bulb out when changing lamps out. Answer provided by:  Janice Seltzer (10/6/2014)