Description General description Double-walled quartz immersion well for use with V150500 reactor and lamp. A small diameter inner tube extends down the annular space to insure flow of coolant from bottom of well upward to outlet. Well is used with RC50 Nylon Bushing with Viton® O-ring to form a compression type seal with threaded vessels. Well offers a greaseless connection and can be adjusted to desired height .The lack of the ground joint means easier dismantling since there is no freezing. Legal Information Synthware is a trademark of Kemtech America Inc. Viton is a registered trademark of E. I. du Pont de Nemours and Company