Continue shopping “ZZ1040 ELECTRON VACUUM TUBE VALVE TFK” has been added to your cart. Product Price Quantity Subtotal × ZZ1040 ELECTRON VACUUM TUBE VALVE TFK $10.23 ZZ1040 ELECTRON VACUUM TUBE VALVE TFK quantity $10.23 Coupon: Apply coupon Update cart Cart totals Subtotal $10.23 Total $10.23 Proceed to checkout