(!!) (Best Pair) 6KM6 Sylvania NOS (148ma and 147ma)
(!!) (Recommended Pair) 6KM6 GE branded Westinghouse NOS (152ma and 155ma)
(!!) 6KM6 GE NOS (138ma)
(!!) 6KM6 RCA black plate NOS (5 in stock)
(!!) 6KM6 Sylvania NOS (126ma)
6KL8 RCA NOS (1 in stock)
