The polypropylene garden hose camlock by TerreMax are couplings or fittings used to connect a Female GHT to a Male GHT, and are also known as a cam and groove hose coupling. This type of fitting is popular because it is a simple and reliable way of connecting and disconnecting garden hoses. TerreMax garden hose camlock fittings are utilized for a variety of agricultural, plumbing and industrial liquid-handling solutions. All fittings are highly durable and chemical resistant, our resin is a high strength custom blended glass filled polypropylene. Made In the USA.