Braided Stainless Steel Trap Hose is good for lines 1.5"-3".  Hose End 1/8" NPT x 1/8" NPT. 2-5 GPM x 4000 PSI.  This 3/16" inside diameter hose has a 40% larger internal diameter than the standard 1/8" hose which allows for more water flow, with the added benefit of having 1/8" ends.  Works best with 1/8" micro nozzles and drop head nozzles.