Reducing Adapters join pipes of different materials and sizes together or join threaded pipe ends with non-threaded pipe ends. Nylon fittings are made from materials that are physically strong, chemically resistant, and easily adapable to a wide range of temperatures. Theyre also more cost-effective than brass and make for easier installations. When youre looking for quality products that wont break the bank, you can count on our family of Nylon Fittings.