The Zurn Pex QQPC33X is a 1/2" Barb QuickSert CR Barbed Coupling designed for use in plumbing systems. Made in the United States, this coupling is reliable and durable for various industrial applications. With a bag of 50 pieces, it is convenient for businesses or individuals needing multiple fittings for their projects. The Zurn brand is known for its quality products, ensuring a secure and efficient connection in hydraulic and pneumatic systems.