LASCO 17-5855 5/8-Inch Female Flare by 1/2-Inch Male Flare Brass Adapter Brass Adapter Carded Female flare by male flare adapter 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 5/8-Inch female flare by 1/2-Inch male flare