ETC/4Q Standard Features
Backrest: 14 1/2" wide x 9 1/2" high, lumbar support, plastic protective panel
Seat: ergonomic, 18 1/2" wide x 17" deep x 3" thick with waterfall front, four-way contouring and internal seat board bumperguard
Controls: standard with Task Control -- Soft Touch pneumatic seat-height adjustment, fixed rearward seat tilt of 3_°, backrest tilt, backrest-height adjustment.
Metal parts on ETC Series chairs have a powder-coated finish as standard or a chrome plated finish when specified with a C option code (aluminum base has a polished top with the C option).
Base: 5-legged cast aluminum base with 23" leg spread.
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.
Fire Retardant: meets California Technical Bulletin 117; treatment to meet CAL 133 is optionally available.
Upholstery: A wide range of upholstery vinyls and fabrics are available to meet your needs.

ETC/4Q Options
Seats: A, MOC, S
Backrests: EMB, ERN
Additional Paint Finish Options: SPF
Seat Controls: EXE, FFAC
Armrests: ARS, ARU, PSAS, PSAU
Footrings: ATF, G
Casters and Glides: BPG, CRC, GFR, LKRO, LKRU, LRO, LRU, MLR, NGC, NSG, R, STR, XR
Fire Retardant Options: C133
Miscellaneous: SW, TK, WM
Designates option is Ship Now! available (all other options ship at standard BioFit lead time)

ETC/4Q Performance Packages