npt threaded pipe fittings 1)size:1/8'-4" 2)material:ss304,304L,316,316 npt threaded pipe fittingsDetailed Product DescriptionFeatures:1)size:1/8"-4"2)material:ss304,304L,316,316L3)Price:very competitive,especially the price for stainless steel seriesWe also can manufacutrue similar products according to your requirment. stainless steel threaded pipe fittings