SERIES CHAIRS Tubular base/concave seat/backrest with lumbar support. BET chairs are recommended for the following environments: industry, education, laboratory, clean room, static control, healthcare and office. Each chair in this series features a different base to meet varied environmental and budget demands. Concave seats, contoured backrests with lumbar supports are standard. Customize by selecting from a wide variety of options, upholsteries or performance packages. STANDARD FEATURES Backrest: 15 1/2" wide x 14 1/2" high, lumbar support, plastic protective panel. Fire Retardant: Meets California Technical Bulletin 117; treatment to meet CAL 133 is available as an option. Seat: Concave, 18 1/2" wide x 16 1/2" deep x 3" thick with internal seat board bumperguard. Upholstery: A wide range of upholstery vinyls and fabrics are available to meet your needs. Controls: Standard with Task Control – Soft-touch pneumatic seat-height adjustment, fixed rearward seat tilt of 31⁄2°, backrest tilt, backrest-height adjustment. Metal Parts: BET Series chairs have a powder-coated finish as standard or a chrome-plated finish when specified with a C option code. Base: Rugged 5-legged tubular steel base with 20" diameter attached footring, 23" leg spread. SEAT HEIGHT RANGES Adj. Range Casters and Glides: Models available standard with casters have an R following the model number/manufacturing code. The remaining models are standard with nickel-plated glides. Standard casters are a single-wheel ball bearing caster for hard floors; many other optional casters/glides are available. OPTIONS/UPHOLSTERY Seats Additional Paint Finish Options Seat Controls Fire Retardant Options CRITICAL ENVIRONMENTS Class 1 Clean Room Class 1 Clean Room/Static Control Class 1 Max Clean Room Class 1 Max Clean Room/Static Control Class 10 Clean Room Class 10 Clean Room/Static Control Class 100 Clean Room Breathable Class 10 Clean Room Chairs Class 100 Clean Room/Static Control Class 1000 Clean Room Class 1000 Clean Room/Static Control * With casters. † Not available with casters. ** Designates option is Ship Now! available (all other options ship at standard BioFit lead time). © 2009. All rights reserved. BioFit Engineered Products. 09/09