Eton™ ETT chairs are recommended for the following environments: industry, education, laboratory, clean room, static control, healthcare and office. Each chair within this series features a different base to meet varied environmental and budget demands. - They feature an ergonomic backrest, a comfortable waterfall front seat with four-way contouring for proper weight distribution, and controls for easy adjustment. Customize by selecting from a wide variety of options, upholsteries or performance packages.