LASCO 10-0131 3/8-Inch Female Compression by 1/2-Inch Female Iron Pipe by 30-Inch Flex Stainless Steel Braided with Poly Inner Core Water Supply - Pipe Fittings - Amazon.com
Parker 68P-8-4 Compression Fitting for Thermoplastic and Soft Metal Tubing, Poly-Tite, Tube to Pipe, Brass, Compression and Male Pipe Connector, 1/2" and 1/4": Amazon.com: Industrial & Scientific
Thread fitting made of stainless steel (V4A) > Reducer AG(R) x IG(Rp) reduces >>> 1/8 to 4 inch desired size simply choose yourself > 1 1/2 inch to 1 inch. : Amazon.de: DIY & Tools
uxcell Brass Pipe fitting, 3/8 SAE Flare Male to 1/4NPT Female Thread, Tubing Adapter Hose Connector, for Air Conditioner Refrigeration - - Amazon .com