The Office Master EF77 is an ESD high back ergonomic chair built for task-intensive settings where posture and static control are equally important. It features a tall backrest, multi-function controls, and a seat height range of 17–22" for all-day support. OM ESD chairs are constructed from our most popular models to meet special ESD seating requirements. Fabrics are made of 99% nylon and 1% carbon fiber. We also stock 7 ESD fabric colors and 2 ESD vinyls.

This model is the ESD version of the Office Master 7770 chair.