LASCO 17-5931 3/8-Inch Female Flare Swivel Brass Adapter Brass Female Flare Swivel Carded Female flare by female flare swival union Brass material lasts long Not for use in potable drinking water applications Used for fuel, oil, air, liquid petroleum (LP) and natural gas lines connections 3/8-Inch female flare by 3/8-Inch female flare