The 14-5B Pneumatic Quick Connect Air Hose Coupler Barbed Fitting is a United States-made unit designed for easy and efficient connection of air hoses. With a unit quantity of 12, this fitting is perfect for use in various industrial applications where quick and reliable coupling is required. The barbed design ensures a secure connection, while the pneumatic operation makes it easy to attach and detach hoses with ease. Perfect for businesses and industries looking for a durable and efficient solution for their air hose needs.