1, Top quality for good using 2, Reasonalbe prices for good competitive 3, Different sizes meets your requirement Sizes Available: Tubing - Inch, Metric;Thread - NPT, BSPT (R), Metric, BSPP (G) NPT – National (American) Pipe Tapered ThreadBSPT (R) – British Standard Pipe Tapered ThreadBSPP (G) – British Standard Pipe Parallel Thread Image is for model identification purpose only. Depending on the ...