Anvil International 3/8 in. MPT X 3/8 in. D MPT Black Stainless Steel 5 in. L Nipple

SCI Stainless Steel Fittings & Nipples are a cost-effective replacement for brass. They offer more corrosion, heat, and pressure resistance than brass and have always been lead-free. Stainless steel doesn't cause electrolysis so you can use it with any other metal.