Durable construction: PP material with TPE sealing rings provides strong, long lasting performance and resist damage. Water resistant: stable design improves reliability as a waterproof adapter, helping prevent leaks or misfits for dependable operation. Versatile function: used to connect, terminate, or control flow and compatible with 1-1/2 inch threaded ends for flexible pool/plumbing use. Easy installation: quick upgrade to your pool setup. Simply attach to a 1 inch drain cover to extend to a 1.5 inch threaded end. Includes two L-rings for convenient use. Recommended uses: - Connect a hose or equipment to a 1.5 inch threaded pool line (pump, filter, or valve). - Terminate an unused line or regulate flow during maintenance. - Adapt and simplify changes in pool or spa plumbing without tools. Material and specs: PP body, TPE sealing rings; supports 1-1/2 inch threaded ends; includes two L-rings.