KOOTANS 1/2 NPT x 1/2 NPT Male Solid Brass Hex Nipples, Heavy Brass Pipe Adapter Fittings Equal Nipples Connectors 4Pieces 1/2 NPT x 1/2 NPT (O.D x O.D: 3/4'' x 3/4'') Size:1/2 NPT x 1/2 NPT (O.D x O.D: 3/4'' x 3/4'') the nut can also be

the nut can also be used with screws

which can avoid the interference of magnetic field in water

If a right hand-left hand coupler is needed

clockwise decrease sensitivity

KOOTANS 1/2 NPT x 1/2 NPT Male Solid Brass Hex Nipples, Heavy Brass Pipe Adapter Fittings Equal Nipples Connectors 4Pieces 1/2 NPT x 1/2 NPT (O.D x O.D: 3/4'' x 3/4'') Size:1/2 NPT x 1/2 NPT (O.D x O.D: 3/4'' x 3/4'') the nut can also beKOOTANS 1 2 NPT x 1 2 NPT Male Solid Brass Hex Nipples, Heavy Brass Pipe Adapter Fittings Equal Nipples Connectors 4Pieces KOOTANS 4pcs High Quality Solid Brass Equal Hex Nipples, 1 2 to 1 2 NPT Male Pipe Adapter Brass Pipe Hex Nipple Fitting Couplings Material: Heavy Duty brass, strong and durable, threads are deep and accurate. Operating temperatures range from 65F to +250F ( 53C to +121C). 1200 psi operating pressure. Size: 1 2 male to 1 2 male NPT