The W4 Hose Connector Reducer is a high-quality fitting designed to join hoses of different diameters securely. Ideal for use in caravans, motorhomes, boats, and other mobile or domestic water systems, this reducer ensures a reliable and leak-free connection between a 3/8″ (10mm) hose and a 1/2″ (12mm) hose. Manufactured to precise standards, it provides a durable solution for water, waste, and other fluid applications.