Boshart BRN-05 1/2" Brass Nipple are produced from red brass pipe which has higher copper content than yellow brass and offers much better corrosion resistance from water and resists attack from salt water, & minerals, contained in water. Ideal for use in high corrosion installations such as barns, underground installations, wells, basements or any other damp environments. Much longer lifespan than galvanized fittings.