# Viva Air > Task
Mod. VV-141U + op. 11BH



Task chair series with height-adjustable backrest (H 56 cm in lowest position, from seat), in two variants: “RETE” (N-type mesh backrest available in 7 colours), “AIR” (backrest fitted with membrane formed of 10-mm thick foam layer combined with N-type mesh, upholstered backrest rear, standard black mesh). Height-adjustable backrest with “Up&Down” system (stroke: 6 cm).  Series fitted with three mechanisms: PCS4 Permanent Contact, Synchro SLY4 with seat slider and evolved Synchro with SLYR2 seat slider.  Five armrests types are available (two fixed and three adjustable). Nylon base (Ø 68 cm) in black (N) or in polished aluminium finish (LU). Black self-braking rubber castors (Ø 65 mm) for hard floors.  Visitor chair in “RETE” or “AIR” version, available with cantilever base and integrated armrests with black Polypropylene arm pads. Black (N) or chrome (CR) finish. 

  SLY4 conforms the EN 1335 standards A class
PCS4 conforms the EN 1335 standards B class