Amazon.com: Fitvell 304 Stainless Steel Nipple Pipe Fitting 1/2" NPT X 1/2" NPT Male Thread Cast Pipe Fittings 4" 100mm Length (pack of 2) : Industrial & Scientific
Beduan Shower Head Extension Tube Pipe Fittings, G 1/2 Male to G 1/2 Female BSP threaded Stainless Steel Round Shower Arm Extension Cast Fitting Coupler (40mm Length,2pcs) - Amazon.com