Flexo-ExTap are flexible and extensible corrugated hoses. Made of stainless steel, dedicated for connecting utility water to basin-standing faucets. Hose: AISI316L austenitic steel, faucet end: AISI304 stainless steel; pipeline nut: nickel-plated brass, seal: NBR. F threaded swivel nut to the pipeline (flat gasket), M threaded end to the faucet (2 o-rings).