 Pressing the lever down produces a regular 1.6-gallon flush, while lifting the lever up produces a 1.1 gallon flush.Sloan also introduced waterfree urinals that use a special trap with a lightweight, biodegradable oil that allows the urine to pass through but prevents odors from escaping.The company also offers sensor-activated flushometers and other plumbing fixtures, including water-efficient electronic faucets, solid-surface lavatory systems, stainless-steel scrub sinks and wash stations, and bedpan washer flushometers.