... tube tube. It is the principle of using gas-discharge light, combined with a unique and efficient means of electronic ballast, ... ♥fluorescent lamps compared with the normal effect of 65% of its power, its ... Name & Model No. Report Date CONSOLIDATED TEST REPORT BST EFFICIENT ENERGY-SAVING FLUORECENT TUBES & GK0610, GK0912, GK1216, GK1218, GK1221, GK1530, ...