For exhaust hose with internal diameters of 50mm I.D. Provided with a plug for draining during winter time. The inlet connection of this models will revolve through 360 deg , which greatly facilitates the installation of the exhaust assembly. A Vetus Waterlock will collect the cooling water present in the system when the engine is stopped. In addition, a Vetus Waterlock has great sounddeadening capabilities and acts as a very efficient muffler. Features. Waterlock Type LP50 Hose with Rotating Inlet. Made with high quality materialSpecifications. External Diameter 50 mm. Material Synthetic. Country of Origin Netherlands