Continue shopping “4-1000 ELECTRON TUBE VALVE USA MADE” has been added to your cart. Product Price Quantity Subtotal × 4-1000 ELECTRON TUBE VALVE USA MADE $154.54 4-1000 ELECTRON TUBE VALVE USA MADE quantity $154.54 Coupon: Apply coupon Update cart Cart totals Subtotal $154.54 Total $154.54 Proceed to checkout