Continue shopping “UF42 UF-42 ELECTRON VACUUM TUBE VALVE SIEMENS” has been added to your cart. Product Price Quantity Subtotal × UF42 UF-42 ELECTRON VACUUM TUBE VALVE SIEMENS $10.23 UF42 UF-42 ELECTRON VACUUM TUBE VALVE SIEMENS quantity $10.23 Coupon: Apply coupon Update cart Cart totals Subtotal $10.23 Total $10.23 Proceed to checkout