This Whale Diverter Valve makes it possible for a pump to draw from two different sources, enhancing the efficiency and versatility of the pump. This durable Diverter Valve has a manually operated handle that lets you select the source of the liquids being fed to the pump. It has 1 ½-In. (38mm) connections. The durable handle is made of PTFE polyester, and it pivots easily to determine the fluid source. The main body of the Diverter Valve is constructed of Acetal and Teflon. It complies with U.S. Coast Guard rules for type III waste systems. Whale designs and manufactures reliable marine water system products which are easy to install and use; providing boaters with hot and cold water, waste management and durable bilge pumps for peace of mind.