Where to find Shuguang tubes?

Always liked their tubes but no longer seem to able to locate them

thewizard04-04-2010 2:07pm

sherod Details Discussions Posts This discussion Message User 1,690 posts 04-05-2010 at 03:39am Copy Comment URL Report Comment Edit Delete Doug at Dougstubes sells some of the Shuguang Penta Labs upgrade tubes: http://dougstubes.com/