Lasco American Standard 2151 C Broach Hot Aqua Seal Lavatory & Shower Stem. It is a brass replacement stem for lavatory or kitchen faucets. It is a non-lead compliant product.
WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer, or birth defects or other reproductive harm. For more Information go to www.P65Warnings.ca.gov