3/8" Male X 1/4" Male NPT Threaded Reducing Nipple Pipe Fitting Adapter, Heavy Duty 304 Stainless Steel Hex Nipple Reducer Straight Connector Pipe

Uenede 2PCS Brass Reducer Adapter, 3/4" NPT Male To 1" NPT Male Thread, Hex Reducing Pipe Fitting Coupler Nipple Connector For Water/Oil/Gas

1" Male X 3/4"Male NPT Threaded Reducing Nipple Pipe Fitting Adapter, Heavy Duty 304 Stainless Steel Hex Nipple Reducer Straight Connector Pipe

2Pcs 3/4" Male X 3/4" Male Pipe Hex Nipple, 304 Stainless Steel MNPT Threaded Short Equal Connector, Heavy Duty Straight Male Pipe Fitting Nipple

Fitvell 304 Stainless Steel Nipple Pipe Fitting 1/2" NPT X 1/2" NPT Male Thread Cast Pipe Fittings 4" 100mm Length (Pack Of 2)

Megairon 1" X 1" NPT Male Threaded Hex Nipple,Stainless Steel 304 Quick Coupler Pipe Fitting