The product is a Poly Insert Coupling with one end measuring 1-1/4 inches and the other end measuring 1 inch. It is designed with an insert on both ends for easy installation onto polyethylene piping systems. The product code *350140*303231 likely indicates specific product details or manufacturer information. This coupling is used to connect two sections of polyethylene pipe securely, making it a useful component in plumbing and hydraulic systems.