The US Plastics barb elbow adapter is designed for compatible fluid-handling applications where a 90 degree directional change is needed between tubing and threaded components. An elbow adapter is useful because it helps redirect flow in tighter layouts, supporting cleaner routing and more efficient use of available space.This replacement is especially useful when the original fitting is cracked, leaking, damaged, or no longer holding the tubing securely. The nylon construction and 3/8 inch barb x 1/8 inch MPT 90 degree design help preserve intended fit and restore dependable connection support.The 63197 is a practical service part when a compatible setup needs an elbow adapter to restore secure connection and cleaner directional routing. US Plastics barb elbow adapter 3/8 inch barb x 1/8 inch MPT 90 degree design Nylon construction Useful when the original fitting is damaged or leaking Supports cleaner and more dependable fluid transfer connections