125# Lead Free Brass Hex Locknut Conforms with lead content requirements for lead free plumbing as defined by the U.S. Safe Drinking Water Act. Certified <=0.25 weighted average % lead.
150# Stainless Steel Locknut ISO 49 Low lead certified NSF61 Conforms to AISI 304 or 316 in material and ISO49-1983 (E) in dimension Low cost, corrosion resistant material with ease of installation...