The Office Master EF78 is an ESD high back ergonomic chair offering full multi-function adjustability and static protection. Built with a 17–22" seat height range and 300 lbs. weight capacity, it's designed to support demanding workdays in technical environments. 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 PT78 chair.