NOS GE 6CA7 (Fat Bottle) (Singles and Pair) $165.00Price: $165.00 Matching * No Matching (Single Tube), $165.00 Matched Pair, $350.00 Select Matched Pair for amps that use 2 of these tubes and Matched Quartet for amps that use 4 Taxonomy upgrade extras: 6CA7/EL34NOS in white boxes. Original boxes were moldy and dry rotted.