ConstructionCoupler has 3/8 NPTInstallationStraight sections need support every 10 ft.Each side of every valve (as close as possible to the connection) needs supportSupport each change of directionsSafety NotesProper Installation: straight sections need support every 10 ft., each side of every valve (as close as possible to the connection) needs support, support each change of directionsWARNING : This product contains lead, a chemical known to the State of California to cause cancer and birth defects or other reproductive harm.SpecificationsTube OD6"Weight1.215 lbMaterial304 Stainless SteelMaximum Temperature230°F ( 110°C )