Qty=3 TEST NOS NIB MILITARY RUGGED GE 6L6WGB (6L6 WGB 5881) Tube TV-7 tested
6L6WGB (6L6 WGB 5881). NEW NOS NIB! TUBE's TEST RESULT's US MILITARY . TESTED WITH a (TV-7/U) FOR GAS, SHORTS, AND MUTUAL CONDUCTANCE AND ARE MOSTLY STRONG TUBES! TV-7/u Tested! I tested these on a High Quality Professonal Hickok TV-7/U Tester.