4U

kit 230-M

S.I. Design

Task chair with mesh backrest and adjustable lumbar support, ANSI-BIFMA X5.1-2011 compliant.

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Characteristics

Frame colours

Mesh colours

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Mesh backrest with lumbar support with mesh “4U”

Sliding outer seat, 60 mm stroke “4U”

Plywood inner seat with 6 t-nuts M6 “4U”

Injected polyurethane foam seat th. 40 mm, d. 52 kg/m3 “4U”

Pair of 3D adjustable armrests, 100 mm stroke, 60 mm sliding, 30° rotation, PU pad “4U”

Self-adjusting synchro mechanism 870 nylon with 5 locking positions and antishock

Black gas cylinder ø50 mm, h. 232 mm, s. 143 mm, r. 7 mm

Base ø700 mm, cone ø50 mm, pin ø11 mm “QUADRA”

Ring ø50 mm for base “QUADRA”

Set of 5 free castors ø65 mm, pin ø11 mm