Speakman S-9020 - AC powered 4” lavatory faucet. All components housed above counter. Metal jacket for AC transformer wire. Integral hot and cold mechanical mixing valves. Hot and cold filters and check valves are standard. 60-second time out feature prevents floods. 3/8” compression male connector. UL/CSA approved 120 VAC transformer. Meets ASME A112.18.1/CSA B125.1