The Haws 1011HO2 ADA Hi-Lo touchless stainless-steel vandal-resistant drinking fountain incorporates sensor operated stainless steel solenoid valves controlled by a transformer for hands-free operation. A pressure regulator is used to adjust the bubbler flow according to incoming water pressures.Optional 3000 gallon water filter available (model 6480)18 gauge Type 304 Stainless Steel bowl assemblies mounted on 14 gauge Type 304 Stainless Steel wall bracketsVandal resistant components include bubblers, bowls, drains and bottom platesTouchless operation for safety and peace of mind100% lead-free waterways30-second obstruction time-out to reduce tampering of sensorPolished chrome-plated brass bubbler heads with integral laminar anti-squirt flow eliminate water splash"Hi-Lo" design allows for twice the users as regular fountains and suits the needs for various user heightsModel meets all current Federal Regulations for the disabled including those in the Americans with Disabilities Act. Haws manufactures drinking fountains, faucets and electric water coolers to be lead-free by all known definitions including NSF/ANSI/CAN 61- Section 9, NSF/ANSI/CAN 372, California Proposition 65, and the Federal Safe Drinking Water Act. Product is compliant to California Health and Safety Code 116875 (AB 1953-2006), and 116876 (AB 100) "NSF/ANSI/CAN 61: Q ≤ 1".Prop 65 Warning. For California Residents Warning: This product contains a chemical known to the State of California to cause cancer and/or birth defects or other reproductive harm. Please click here for more information.