- New
RF841 by Valterra is a straight male plumbing adapter designed to connect a 1/2-inch female NPT threaded port to a flexible hose with a 1/2-inch inside diameter. Made of durable black polypropylene, this fitting is suitable for freshwater plumbing applications in recreational vehicles and other compatible systems. The barbed end helps secure the hose when used with an appropriate hose clamp. Verify thread size and hose diameter before installation.