This Mazda EF183 valve tube is a must-have for any vintage sound and vision enthusiast. Made in England, this new old stock unit quantity of one is a rare find. The EF183 model boasts exceptional quality and country/region of manufacture guarantees authenticity. Perfect for use in vintage parts and accessories, this vacuum tube is a great addition to any collection. The brand Mazda is synonymous with quality and this valve tube is no exception.