6 NEW NATIONAL ELECTRONICS 12AV7 VACUUM TUBE$40.00 Out of stock SKU: 173205975143 Category: Other Description Additional information Description 6 NEW NATIONAL ELECTRONICS 12AV7 VACUUM TUBE353 RB Additional information Weight 1.00 lbs MPN 12AV7 Country/Region of Manufacture Unknown Brand NATIONAL ELECTRONICS We Buy New and Used Surplus Inventory - Sell to Us