A high-quality polypropylene pipe fitting designed for professional irrigation, hydroponic and aquatic applications. Suitable for low pressure water and air, indoors and out.Used to stop water flow at the end of main supply hose.Used in conjunction with standard low pressure 1/2in pipeUV stabilized materials for long life Sharp-edged barbs create leakproof seal.Heat, chemical and wear resistant. Engineering grade UV stabilized acetal plastic for long life. Operating pressure range up to 43 Psi.