The Krowne Metal 23-120 is a durable 1" NPS drain designed for efficient drainage in commercial sinks and ice bins without cold plates. It features a 1" NPT male connection, making it compatible with standard 1-1/4" sink openings. This model includes a locknut and washer, suitable for installations on models produced before 2016. For optimal performance, it is designed to work with the 23-155 overflow system. Ideal for enhancing drainage efficiency in busy kitchen environments.