The Ancor Marine Grade Festoon Bulb (211-2), part number 522112, is specifically designed for 12 V marine electrical systems requiring corrosion resistance and reliable performance. This NOS (new old stock) bulb features nickel-plated brass bases and a heavy-duty glass envelope for enhanced durability. The bulb measures 1.60 inches in length by 0.43 inches in diameter. With a power specification of 15 W and a current draw of approximately 1.17 A (or 0.97 A depending on source), it is ideal for use in both interior and exterior marine lighting fixtures where festoon incandescent bulbs of size 211-2 are needed. This bulb is perfect for replacing existing bulbs that require corrosion resistance and proper fit in critical marine environments.