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For cleanroom and ESD applications ranging from ISO 3 to ISO 8; features the industry's only phthalate- and fire-retardant-chemical-free vinyl upholstery.

Ergonomic upholstered seat with four-way contouring and internal seat board bumperguard; measures 18.5" wide x 17" deep x 3" thick.

Also known as "C1-K". Appropriate metal parts are chrome-plated. All chair parts are selected to assure ISO class 3 clean room compatibility, plus ESD treatment as described in performance package "K”.

Upholstered backrest with lumbar support and plastic protective panel; measures 15.5" wide x 14.5" high.

Medium, five-legged, solid cast aluminum base with caster-to-caster diameter of 25.6" and maximum width of 24.4". T-cross-section legs ensure cleanability, and endure test loads of 1.5-2x BIFMA strength requirements. Features standard 50mm tapered hub (1° 26' 16" (Morse) taper) with gauge line elevation of 113mm from the caster insert plane. The base is cast out of UNI EN 46100 aluminum with a robotically polished top surface to ensure quality and consistency.

For low working heights such as desks or benches 34" or shorter. Provides a range of 17" - 22".

Two inches in height, with dual soft-wheels. Casters resist movement when the seat is unoccupied. Plastic collar around caster stem to match base. Black tread indicates an ESD caster.

Control allows function of the seat height activation and backrest adjustments by means of easily engaged levers which can be activated from the seated position. Seat tilt is fixed at 3-1/2° rearward while the backrest adjusts 8° forward and 13° rearward.