Its brand recognition ensures a quality product that you can trust for your critical applications. Nash's commitment to excellence is evident in the design and functionality of this vacuum pump. With its AT34 model number assuring you of its authenticity and capability, this pump is engineered to provide steadfast operation for your vacuum-related challenges. Whether it's for industrial or laboratory use, this pump is tailored to meet your expectations. Please look at the pictures to see exactly what comes with the listing.