BEVCO’s Integra ESD/ISO 7 Cleanroom Series models are designed to meet specific particulate goals of ISO 14644-1 and the ESD requirements of ANSI/ESD STM12.1-2019 delivering a combination ESD/Cleanroom seating solution for highly technical environments. The Integra makes working easy! The mediuim backrest is specifically shaped to provide full back support, which comes standard with a heavy-duty polypropylene back shell to protect the upholstery. The generous seat provides an exceptional seating experience while the thick, resilient, high-density foam provides long-lasting comfort. This non-tilt model features manual back and seat height adjustments for increased comfort during extended sitting durations. The pneumatic height adjustment allows you to easily change your seat height from 15.5" - 21". Ergonomic adjustable arms enable the user to relieve neck and shoulder tension. Upholstered vinyl is antibacterial; antifungal and complies with CAL 117. This chair comes with a sturdy 25" diameter polished aluminum base. Model comes standard with dual wheel hard floor ESD casters.