Complied with California AB1953 No Lead Plumbing Law. Brass Construction. Lever Handles. Operated by washerless Cartridge (Delta or Peerless interchangeable). Easy 1/4-turn operation. Last longer and less expensive to maintain than ceramic-disc-cartridge faucets. 1/2"-male threaded inlet. We charge 20% re-stocking for returned merchandise. Please make sure it fits your needs before purchase.