Continue shopping “UCH81 UCH-81 ELECTRON VACUUM TUBE VALVE SIEMENS” has been added to your cart. Product Price Quantity Subtotal × UCH81 UCH-81 ELECTRON VACUUM TUBE VALVE SIEMENS $10.23 UCH81 UCH-81 ELECTRON VACUUM TUBE VALVE SIEMENS quantity $10.23 Coupon: Apply coupon Update cart Cart totals Subtotal $10.23 Total $10.23 Proceed to checkout