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
EDGE INDUSTRIAL 1/8 Hose Barb X 1/8 Male NPT Brass Pipe Fitting NPT Thread Gas Fuel Water Air (10 Qty) - - Amazon.com
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
Brennan Industries 5503-06-06-FG Forged Steel 45 Degree Street Elbow Tube Fitting, 3/8"-18 NPTF x 3/8"-18 NPTF Thread, 3/8" Male NPTF x 3/8" Female NPTF: Industrial Pipe Fitting: Amazon.com: Industrial & Scientific
Amazon.com: WYNNsky Tank Mini Ball Valve, 1/4''NPT Female Threads×1/4''NPT Male Threads, Shut-Off Air Compressor Accessories Fittings : Industrial & Scientific
Pipe Tee 1/2" Female x 1/2" Male x1/2" Male Fittings Connector Brass NPT Pack of 1: Amazon.com: Industrial & Scientific