Material: imitation leather (seat and backrest), aluminium base. GMP-compliant and suitable for cleanrooms. Fraunhofer IPA qualification seal certifies air purity class 3 according to DIN EN ISO 14644-1, air purity class 1 according to US Federal Standard 209E and ESD properties according to DIN EN 61340-5-1. Large, ergonomically shaped backrest and seat with integrated lumbar support, pelvic support and rounded seat front edge. Good sitting comfort thanks to soft and comfortable upholstery. Backrest: H 530 mm. Seat: W 460 x D 440 mm. Base Ø: 680 mm. ESD faux-leather upholstery and conductively coated steel parts Disinfectant-resistant and washable Inclination of seat and backrest is adapted to the sitting posture Backrest height adjustment GS-certified 10 year warranty Delivered unassembled. Sustainability Awarded the “TÜV Rheinland certified - tested for emissions and harmful substances” test certification. Cleanroom chair Comfort Seat height 490-630 mm Load-dependent ESD dual casters with brakes for hard floors. Won’t roll away in unloaded condition.