Green Leaf's polypropylene fittings include hose, pipe, garden hose, and nozzle fittings, manufactured in sizes ranging from 1/8 to 4 inches. The majority of our polypropylene fittings are made in the United States. Polypropylene fittings are highly durable and chemically resistant and are offered in a variety of thread and hose combinations. Our fittings are chosen by distributors for their durability and performance in both hot and cold water applications and are resistant to organic solvents, oils, high impact, and high temperatures.